Medicine, biotech and longevity

A large prize. Putting people safely into long dormancy would make very long journeys possible and give hospitals time to treat the gravely ill.

Who is paid. I assumed carriers and hospitals buy it; the method could be copied once known, so the firms that already run ships and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. The description gives the remade animals no use that a buyer would pay for, unlike made creatures bred for work or as servants, so there is nothing to price.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Putting people safely into long dormancy would make very long journeys possible and give hospitals time to treat the gravely ill.

Who is paid. I assumed carriers and hospitals buy it; the method could be copied once known, so the firms that already run ships and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Seeing a doctor without travelling saves time for a great many patients and lowers the cost of care.

Who is paid. Hospitals and clinics would buy it, and any firm can link a doctor and a patient over a network, so established health providers and network firms collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Replacement body parts made in quantity would be worth an industry of their own to the many whose organs fail.

Who is paid. Patients would pay, mostly through insurers or health services, and several firms could run such factories, so established medical makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Building living things from plain chemicals would give farming, medicine and industry organisms made to order.

Who is paid. Firms would buy such organisms for their work, and once the method was known other laboratories could repeat it, so established chemical and drug makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A hat that keeps its wearer steady is a novelty.

Who is paid. Wearers would buy it, and any workshop could fit a spinning wheel into a hat, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Carrying a child outside the body would spare mothers the risks of pregnancy and open parenthood to people who cannot carry a child.

Who is paid. Would-be parents would pay, and other laboratories could copy the chamber once it worked, so established fertility clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Staying alert on too little sleep is something a great many workers, drivers and students would use.

Who is paid. People would buy it for themselves, and stimulants of this kind are old chemistry many firms can make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Making cells multiply faster would speed healing and the growing of tissue for medicine.

Who is paid. I assumed hospitals and laboratories buy it; an electrical device of this kind could be copied, so established medical equipment firms collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. The story promises only a little energy from sunlight, which is a curiosity beside ordinary food.

Who is paid. I assumed people buy it for themselves from clinics; the method could be copied, so clinics already offering such treatments collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Giving sight back to blind people is worth an industry of its own, though most people would never need it.

Who is paid. Patients would pay, mostly through insurers or health services, and once the design was known other device makers could copy it, so established implant makers and eye clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A vast prize. A machine that examines, diagnoses and treats would bring a doctor's care within reach of nearly everyone.

Who is paid. I assumed hospitals and clinics buy it; once built others could copy it, so established makers of medical equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Building living things from plain chemicals would give farming, medicine and industry organisms made to order.

Who is paid. Firms would buy such organisms for their work, and once the method was known other laboratories could repeat it, so established chemical and drug makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A painless chosen death matters deeply to the few who seek it, but it is a narrow service.

Who is paid. The person or family would pay, and I assumed the law would let only a few approved providers offer it, so those providers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Speeding up evolution would let breeders and laboratories get new living things quickly.

Who is paid. I assumed breeders and laboratories buy it; once the machine existed other equipment makers could copy it, so established laboratory suppliers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Restarting a stopped heart after apparent death would save many lives in emergencies.

Who is paid. Hospitals and ambulance services would buy it, and a new drug is protected from copying for a while, so its maker keeps what is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. It is a natural change in a living thing, not something made or sold.

Who is paid. Nothing is sold.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A lamp standing in for sunshine is a household good for people who lack daylight, which I assumed is a minority.

Who is paid. People would buy it for themselves, and lamps are simple things many firms can make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Shaping a child before birth to be healthier and abler is something many parents would pay dearly for.

Who is paid. I assumed parents pay rather than the state as in the story; the methods could be copied, so established fertility clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Carrying a child outside the body would spare mothers the risks of pregnancy and open parenthood to people who cannot carry a child.

Who is paid. Would-be parents would pay, and other laboratories could copy the chamber once it worked, so established fertility clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Turning out many identical people to order would give a state its workforce, though few societies would allow it.

Who is paid. In the story the state runs it; the method is simple to copy, so the laboratories and suppliers already serving such hatcheries collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. It serves only people who work in space or under unusual gravity, which is a niche.

Who is paid. I assumed employers and space carriers buy it for their crews; a new drug is protected from copying for a while, so its maker keeps what little is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Calming the heart and nerves helps people with certain conditions, a useful but ordinary medicine.

Who is paid. Patients would buy it, and drugs of this kind are old and many firms can make them, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A vast prize. Staying awake while ageing almost stops is, in effect, a way of holding off old age, which nearly everyone would want.

Who is paid. People would buy it for themselves, and I assumed it is a new treatment protected from copying for a long while, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A vast prize. I took keeping the body intact and working without decay to mean holding off old age, which is about the deepest need there is.

Who is paid. People would buy it for themselves, and a new medicine is protected from copying for a long while, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. A deadly fungus is a hazard, not a product.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Destroying diseased tissue while sparing the healthy would treat tumours and infections without surgery.

Who is paid. I assumed clinics buy it and, following the story, that the crystals are a rare find that cannot be manufactured, so whoever controls the supply keeps what is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Growing a person to adulthood very quickly would let a state fill its ranks at will, which no family would want for a child.

Who is paid. I assumed a government runs it, since the description does not say who would; the method could be copied, so the laboratories and suppliers serving it collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. It is a living thing that arises by chance, not something made or sold.

Who is paid. Nothing is sold.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Flawless operations done by machine would change the costs and reach of surgery.

Who is paid. Hospitals would buy it, and other firms could build such machines, so established makers of surgical equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A vast prize. Giving back youthful vigour is in effect holding off old age, which nearly everyone alive would want.

Who is paid. People would buy it for themselves, and a new medicine is protected from copying for a long while, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Growing enhanced people would be worth an industry if allowed; assumed families are the buyers.

Who is paid. Families pay, and established fertility clinics collect because the tank could be copied.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Creatures bred for heavy work would change the costs of building, mining and hauling.

Who is paid. Firms would buy them for labour, and living stock can be bred on by whoever holds some, so established breeders and suppliers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. This is a living creature in the story, not a technology anyone makes and sells.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Giving sight back to blind people is worth an industry of its own, though most people would never need it.

Who is paid. Patients would pay, mostly through insurers or health services, and once the design was known other device makers could copy it, so established implant makers and eye clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. A germ that harms only a chosen pest would change the cost of protecting crops and controlling disease carriers.

Who is paid. I assumed farmers and pest controllers buy it and not armies; germs can be cultured by many, so established farm chemical firms with the sales networks collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Keeping a removed brain alive in transit serves a very rare kind of operation.

Who is paid. Hospitals would buy it, and makers of organ transport equipment could build it, so those firms collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. This is a living creature in the story, not a technology anyone makes and sells.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Knowing the day of your death would upend life insurance and how people plan their lives.

Who is paid. People would pay for a reading, and in the story only the inventor knows how the machine works, so he keeps what is left for as long as the secret holds.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Finer surgical instruments are a useful tool for a specialised trade.

Who is paid. Hospitals pay, and established makers of surgical instruments collect since the tool can be copied.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Operations done by machine would change the costs and reach of surgery.

Who is paid. Hospitals would buy the suite, and other firms could build such machines, so established makers of surgical equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Frozen sleep for long stretches would open long voyages and change their costs.

Who is paid. Voyage operators pay, and makers of cooling plant collect since the equipment can be copied.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Raising mental ability would be wanted by a great many people; assumed the gain is real but modest.

Who is paid. People pay for the shots, and the developer keeps the gain because a new medicine is protected from copying.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Making new kinds of living things to order would serve farming, medicine and industry.

Who is paid. Firms would buy such organisms for their work, and once the method was known other laboratories could repeat it, so established seed, chemical and drug makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Putting people safely into long dormancy would make very long journeys possible and give hospitals time to treat the gravely ill.

Who is paid. I assumed carriers and hospitals buy it; the method could be copied once known, so the firms that already run ships and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Putting people safely into long dormancy would make very long journeys possible and give hospitals time to treat the gravely ill.

Who is paid. I assumed carriers and hospitals buy it; the method could be copied once known, so the firms that already run ships and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. A medicine that nearly removes hunger would be wanted by a great many people trying to lose weight.

Who is paid. People would buy it for themselves, and a new treatment is protected from copying for a while, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

No prize. A scheme of chosen marriages is a private arrangement, not a product anyone can buy.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. It is an illness of life under weak gravity, not something made or sold.

Who is paid. Nothing is sold.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A vast prize. Standing in fully for sleep would hand nearly every adult many more waking hours, changing how most people live and work.

Who is paid. People would buy it for themselves, and a new drug is protected from copying for a long while, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. The name is of the practice, so the thing judged is the long sleep behind it, which belongs with other forms of long dormancy.

Who is paid. I assumed firms that run sleep vaults buy the equipment and charge the sleepers; the method could be copied once known, so the firms that already run such premises collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A vast prize. Holding off old age meets about the deepest need there is, and nearly everyone alive would want it.

Who is paid. People would pay for themselves; unlike a drug this is a procedure any clinic could learn, so established clinics and blood services that can find donors collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. It serves only people who work in space or under unusual gravity, which is a niche.

Who is paid. I assumed employers and space carriers buy it for their crews; a new drug is protected from copying for a while, so its maker keeps what little is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. This is a disease, not a technology.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Clearing drunkenness in a moment is a convenience for drinkers and those who deal with them.

Who is paid. I assumed drinkers and bars buy it; unlike a sobering pill this is a device others could copy, so established makers of such equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Sleeping through a very long voyage would make such journeys possible, as with other forms of long dormancy.

Who is paid. I assumed carriers buy it for their crews; unlike a sleep chamber this is a drug, which is protected from copying for a while, so its maker keeps what is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. This is a living creature in the story, not a technology anyone makes and sells.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

No prize. It is a sickness travellers suffer, not something made or sold.

Who is paid. Nothing is sold.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. A lift for people who feel worn out is something a great many would buy.

Who is paid. People would buy it for themselves, and I assumed it is a stimulant of an old kind many firms can make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Regrowing lost or ruined tissue would change what hospitals can do for the badly injured.

Who is paid. I assumed hospitals buy and run it; once it worked other makers could copy it, so established medical equipment firms and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A lifelike cover for an artificial limb is a comfort for a limited group.

Who is paid. Wearers pay, and established makers of artificial limbs collect since the covering is easy to copy.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

No prize. This is an illness, not a technology.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. It protects against a single poison, a narrow need however urgent.

Who is paid. I assumed a government buys it to protect the whole population; any vaccine maker could produce it, so the firms that already hold such supply contracts collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A vast prize. A cure for every infection would meet a basic need for most of humanity.

Who is paid. Patients and health services pay, and the developer keeps the gain because a new medicine is protected from copying.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. A tank that sustains a patient while curing illness would change the costs of hospital care.

Who is paid. Hospitals would buy it, and other equipment makers could build the same tank, so established makers of hospital equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Clearing returning crews matters only to those who fly to other worlds, which is a niche.

Who is paid. I assumed space carriers pay for their own crews; a routine can be followed by anyone, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. The name is of the people, so the thing judged is the making of servants from animals, which would give a state its workforce to order, though few societies would allow it.

Who is paid. I assumed the state runs the making, as with other ways of turning out people to order; the method could be copied, so the laboratories and suppliers serving it collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Putting people safely into long dormancy would make very long journeys possible and give hospitals time to treat the gravely ill.

Who is paid. I assumed carriers and hospitals buy it; the method could be copied once known, so the firms that already run ships and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A vast prize. Changing heredity directly reaches into food, medicine and industry, and so touches how most people eat and are treated.

Who is paid. Farms, drug makers and laboratories pay for it, and the basic method is open to any laboratory, so established seed and drug firms collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Fitting settlers to eat local plants serves a narrow group; judged as the treatment that makes the change.

Who is paid. Settlement ventures pay, and established medical firms collect since others could offer the same treatment.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Man-made skin helps people with burns and bad wounds, which is an important but narrow part of medicine.

Who is paid. Hospitals and clinics would buy it, and the firms that already supply wound dressings could all make it, so they collect a modest margin.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. It serves only people who work in space, which is a niche.

Who is paid. I assumed employers and space carriers buy it for their crews; a new drug is protected from copying for a while, so its maker keeps what little is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Care in orbit helps a narrow set of patients who can afford the trip.

Who is paid. Patients pay for the stay, and owners of launch fleets and stations collect because they hold what the service needs.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Shaping settlers for hostile worlds would be worth a whole programme of settlement.

Who is paid. A government pays because it seeds whole peoples, unlike a treatment for a few settlers, and its usual contractors collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Man-made living tissue for repair would change the cost of surgery.

Who is paid. Hospitals pay, and established medical suppliers collect because tissue multiplies and a sample is enough to copy it.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. It helps only the few people who must speak with an alien race.

Who is paid. I assumed traders and officials who deal with the aliens buy it; it is a simple worn device many firms could make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A machine for emptying a stomach handles a single emergency procedure.

Who is paid. Hospitals and ambulance services would buy it, and several equipment makers could build it, so established makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Judging mental health by machine would change the costs of one whole branch of care.

Who is paid. I assumed clinics and employers buy it; others could build the same machine, so established makers of medical equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Operating inside the body without opening it would change the costs and risks of much surgery.

Who is paid. Hospitals would buy it, and other firms could build such an instrument, so established makers of surgical equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. This is an illness of space crews, not a technology.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

No prize. This is a harm the body suffers in space, not a technology.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A vast prize. Holding off old age meets about the deepest need there is, and nearly everyone alive would want it.

Who is paid. People would buy it for themselves, and the story says it is cheap and sold in ordinary shops, which I took to mean many can make it, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. A hardier living material could serve many trades that grow or use living matter.

Who is paid. I assumed firms buy it as a working material; a living substance can be grown on from a sample, so established makers of biological supplies collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Man-made skin helps people with burns and bad wounds, which is an important but narrow part of medicine.

Who is paid. Hospitals and clinics would buy it, and the firms that already supply wound dressings could all make it, so they collect a modest margin.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A finer tool on the surgeon's own arm improves some operations but leaves the surgeon in place, so it is a niche.

Who is paid. Hospitals would buy it, and other toolmakers could copy it, so established makers of surgical instruments collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Ending the craving for alcohol would lift a heavy burden from a great many families.

Who is paid. I assumed it is a home appliance people buy for themselves; other makers could copy the machine, so established appliance makers and shops collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. This is a living creature in the story, not a technology anyone makes and sells.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Machines that treat troubles of the mind at home would serve a great many people, though the shop itself is no invention.

Who is paid. People would buy the machines for themselves, and other makers could copy them, so established appliance makers and shops collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A power cell inside the body is a part for other implants, not a product people seek for itself.

Who is paid. Makers of implants would buy it, and several battery makers could supply it, so established suppliers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. The name is of the person, so the thing judged is the surgery that makes them, a niche form of advertising.

Who is paid. Firms pay for the surgery, and other surgeons could do the same work, so established cosmetic clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Ending dependence on drink would serve a great many people and families.

Who is paid. Drinkers and their families pay, and makers of medical machines collect because the machine can be copied.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Clever guard bears serve a narrow trade of explorers, unlike the pet dogs in this family.

Who is paid. Exploring ventures pay, and because the bears breed, established animal breeders collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Growing back a lost arm or leg would be worth an industry of its own to those who need it.

Who is paid. I assumed hospitals buy the cells and do the growing; living cells can be grown on by others, so established medical suppliers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Holding people in suspension for long spans would make very long voyages possible, an industry of its own.

Who is paid. I assumed carriers buy the equipment for crews and passengers; others could build it, so established makers of such equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A vast prize. Holding off old age meets about the deepest need there is, and nearly everyone alive would want it.

Who is paid. People would buy it for themselves, and a new medicine is protected from copying for a long while, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. An alert when the wearer's brain stops is a narrow safety device.

Who is paid. Wearers would buy it, and it is a simple sensor with a transmitter that many firms can make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Doing without breathing gear would change the costs of diving, rescue and space work.

Who is paid. Employers in those trades pay, and the developer keeps the gain because a new medicine is protected from copying.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A vast prize. A machine doctor would bring care to most people at lower cost.

Who is paid. I assumed hospitals and clinics buy it; once built others could copy it, so established makers of medical equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A working arm moved by thought restores much to people who have lost a limb, but they are a small share of everyone.

Who is paid. Patients would pay, mostly through insurers or health services, and several firms could build such limbs, so established makers of artificial limbs collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Giving injections without a nurse saves a little labour on a ward.

Who is paid. Hospitals would buy it, and several equipment makers could build it, so established makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. The name is of the offspring, so the thing judged is the copying of a chosen plant or animal without mating, which lets breeders repeat their best stock exactly.

Who is paid. I assumed breeders and growers pay for the copying; any laboratory can learn the method, so established breeders and seed firms with the stock and the sales networks collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A talking, cleverer dog is a prized pet or working animal, which is a niche.

Who is paid. Owners pay, and because the dogs breed, established breeders collect instead of the originator.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Man-made skin helps people with burns and bad wounds, which is an important but narrow part of medicine.

Who is paid. Hospitals and clinics would buy it, and the firms that already supply wound dressings could all make it, so they collect a modest margin.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Keeping an operating area free of germs is useful, but other ways of doing it already exist.

Who is paid. Hospitals would buy it, and germ-killing lamps are simple things many firms can make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Putting people safely into long dormancy would make very long journeys possible and give hospitals time to treat the gravely ill.

Who is paid. I assumed carriers and hospitals buy it; the method could be copied once known, so the firms that already run ships and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A pump that stands in for the heart for a short while serves certain operations, a narrower use than a lasting replacement organ.

Who is paid. Hospitals would buy it, and several equipment makers can build such pumps, so established makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A pod that passes its dose through the skin is a handy way of taking a medicine, not a new medicine.

Who is paid. Patients would buy it, and any drug firm can put its medicines in such a pod, so established drug makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

No prize. This is a living creature in the story, not a technology anyone makes and sells.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Regrowing lost or ruined tissue would change what hospitals can do for the badly injured.

Who is paid. I assumed hospitals buy and run it; once it worked other makers could copy it, so established medical equipment firms and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Staying sober while drinking is a convenience for drinkers, not a need.

Who is paid. Drinkers would buy it for themselves, and a new drug is protected from copying for a while, so its maker keeps what is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Putting people safely into long dormancy would make very long journeys possible and give hospitals time to treat the gravely ill.

Who is paid. I assumed carriers and hospitals buy it; the method could be copied once known, so the firms that already run ships and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. An instant home answer on pregnancy is a real convenience, though each buyer needs it only now and then.

Who is paid. People buy it for themselves in ordinary shops, and many firms can make such strips, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Replacement organs on demand would end the wait for donors and support an industry of their own.

Who is paid. Patients would pay, mostly through insurers or health services, and other firms could copy the design, so the established makers of medical implants and the hospitals that fit them collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A passing change of skin colour is decoration, not need.

Who is paid. People would buy it for themselves, and many makers of cosmetics could offer it, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. A machine hand that operates would cut the cost and raise the precision of surgery.

Who is paid. I assumed hospitals and clinics buy it; several firms could build it once it worked, so established medical equipment makers and hospital groups collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. The description calls it old-style, but it still puts people into long dormancy, which would make very long journeys possible.

Who is paid. I assumed carriers and hospitals buy it; the method could be copied once known, so the firms that already run ships and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A vast prize. A machine that diagnoses and operates without a doctor would bring skilled care to nearly everyone and remake medicine.

Who is paid. I assumed hospitals and clinics buy it; with the needed machine intelligence widely available several firms could build it, so established medical equipment makers and hospital groups collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. The name is of the person, so the thing judged is the therapy that enlarges the front of the brain, which I assumed sharpens the mind and so would be wanted by a great many people.

Who is paid. People would pay for it themselves, and I assumed other clinics could learn the therapy, so established clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. It is done to a person without their say, to hurt them, break their mind or override their will or body, which no one may lawfully buy or use.

Who is paid. Assuming it is outlawed for everyone, governments and employers included, nothing is sold.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Teeth fixed for good in the jaw are wanted by a great many people who lose their own.

Who is paid. Patients pay, and many firms make the parts and dentists everywhere can fit them, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Hands made for particular tasks help people who have lost a hand, and they are a small share of everyone.

Who is paid. Patients would pay, mostly through insurers or health services, and several firms could build such limbs, so established makers of artificial limbs collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Restoring sight with an implanted eye would be worth an industry.

Who is paid. Patients pay, with insurers behind them, and makers of medical implants collect since rivals could copy the eye.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. A robot that keeps the injured alive would change emergency care.

Who is paid. Ambulance services and hospitals pay, and makers of medical equipment collect since the robot can be copied.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. The description promises nothing beyond what ordinary stimulant drinks already give, so it adds a convenience.

Who is paid. Drinkers would buy it for themselves, and stimulants of this kind are old and made by many, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Teeth fixed for good in the jaw are wanted by a great many people who lose their own.

Who is paid. Patients pay, and many firms make the parts and dentists everywhere can fit them, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Rousing a sleeper at once is a narrow use beside staying awake for long stretches.

Who is paid. I assumed people buy it for themselves; stimulants of this kind are old chemistry many firms can make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A calming puff from a phone is a convenience added to something people already carry.

Who is paid. People would buy it as part of a phone, and any phone maker could add it, so established phone makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Skin that feels touch adds sensation to man-made skin, which stays a narrow part of medicine.

Who is paid. I assumed hospitals and makers of artificial limbs buy it; other materials firms could copy it, so established suppliers collect a modest margin.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. The name is of the person, so the thing judged is the freezing and keeping of the dead, and the description promises only a hope of revival, which few would pay much for.

Who is paid. Families would pay for the keeping, and other firms could freeze and store bodies too, so established funeral firms with premises and trust collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Bringing back people who have just been killed would change emergency medicine.

Who is paid. I assumed hospitals and duelling grounds buy the equipment; other makers could copy it, so established medical equipment firms collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Ornaments under the skin are fashion.

Who is paid. Wearers would buy them, and many workshops could make and fit them, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Black false teeth are a fashion, which sets them apart from plain replacement teeth.

Who is paid. Wearers would buy them, and any dental workshop can make them, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Storing the frozen and bringing them back would be worth an industry of its own.

Who is paid. Families pay for the keeping, and firms that already run death care and cold storage collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Needing less sleep would be wanted by most workers, though the drug only trims the need.

Who is paid. People pay for the drug, and the developer keeps the gain because a new medicine is protected from copying.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A chamber for one kind of therapy serves a narrow group of patients.

Who is paid. I assumed clinics buy it; the chamber could be copied, so established makers of clinic equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Colouring the body is decoration, not need.

Who is paid. People would buy it for themselves, and dyes are easy for many firms to make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Arms made for particular jobs help people who have lost an arm, and they are a small share of everyone.

Who is paid. Patients would pay, mostly through insurers or health services, and several firms could build such limbs, so established makers of artificial limbs collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A vast prize. A longer life meets about the deepest need there is, and nearly everyone alive would want it.

Who is paid. People would buy it for themselves, and I assumed it is protected like a new medicine, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. A robot that operates by itself would cut the cost of surgery, though it changes only that part of medicine.

Who is paid. I assumed hospitals and clinics buy it; several firms could build it once it worked, so established medical equipment makers and hospital groups collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. The name is of the person, so the thing judged is the treatment that lets someone reshape their own face, which serves a narrow trade in spying.

Who is paid. I assumed spy services are the buyers, so a government pays; the description does not say the method is a secret, so the firms that already hold such contracts collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A replacement joint matters greatly to people who need it, but they are a small share of everyone.

Who is paid. Patients would pay, mostly through insurers or health services, and several firms could build such joints, so established makers of artificial limbs and joints collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Giving even partial sight back to blind people is worth an industry of its own, though most people would never need it.

Who is paid. Patients would pay, mostly through insurers or health services, and once the design was known other device makers could copy it, so established implant makers and eye clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A dressing that closes wounds cleanly helps hospitals and fitters of implants, which is a narrow part of medicine.

Who is paid. Hospitals and clinics would buy it, and the firms that already supply wound dressings could all make it, so they collect a modest margin.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Hands for dolphins serve a very small group of users.

Who is paid. I assumed firms and researchers who work with dolphins buy them; simple gripping tools can be made by many, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. The thing named is the theft of organs from unwilling people, a crime with victims and not a product, and replacement organs themselves are judged elsewhere in this category.

Who is paid. Nothing is sold that a buyer may have, unlike a street drug its users choose to buy, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A vast prize. A fresh healthy body for the same mind answers the deepest need there is, and nearly everyone would want it.

Who is paid. People would pay for themselves; I assumed it is a procedure other clinics could learn and not a protected drug, so established hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. The name is of a place, so the thing judged is the service it offers, which matters deeply to the few who seek it but is narrow.

Who is paid. The person or family would pay, and I assumed the law would let only a few approved providers offer it, so those providers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A vast prize. Machines in the blood that clear out germs would spare nearly everyone from infectious illness.

Who is paid. Patients would pay, mostly through insurers or health services, and unlike a single protected medicine a machine can be built another way by rivals, so established drug and device makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Organs grown to order would end the wait for donors and support an industry of their own.

Who is paid. Patients would pay, mostly through insurers or health services, and other firms could copy the design, so the established makers of medical implants and the hospitals that fit them collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A holder for pills on a support frame is a minor fitting.

Who is paid. Wearers would buy it, and anyone can make a small container, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. As described it helps a small group of people raised in low gravity to move about.

Who is paid. Wearers would buy it, and several firms could build powered frames, so established makers of mobility aids collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Putting people safely into long dormancy would make very long journeys possible and give hospitals time to treat the gravely ill.

Who is paid. I assumed carriers and hospitals buy it; the method could be copied once known, so the firms that already run ships and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Replacement organs on demand would end the wait for donors and support an industry of their own.

Who is paid. Patients would pay, mostly through insurers or health services, and other firms could copy the design, so the established makers of medical implants and the hospitals that fit them collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Finding a vein without guesswork is a small convenience for nurses and patients.

Who is paid. Hospitals and clinics would buy it, and it is a simple device many firms can make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Regrowing lost or ruined tissue would change what hospitals can do for the badly injured.

Who is paid. I assumed hospitals buy and run it; once it worked other makers could copy it, so established medical equipment firms and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Letting families go on speaking with the newly dead is something a great many would pay for.

Who is paid. Families would pay for the keeping, and I assumed the chambers can be copied, so established funeral firms with premises and trust collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Eating freely without gaining weight is something a great many people would pay for.

Who is paid. People would buy it for themselves, and I assumed it is sold as a medicine and protected from copying for a while as new medicines are, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A vast prize. A machine that identifies and treats nearly any illness would bring skilled care to nearly everyone and remake medicine.

Who is paid. I assumed hospitals and clinics buy it; with the needed machine intelligence widely available several firms could build it, so established medical equipment makers and hospital groups collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Diagnosing patients without a physician would cut the cost of medicine, though unlike a full robot doctor it does not treat.

Who is paid. I assumed hospitals and clinics buy it; with the needed machine intelligence widely available several firms could build it, so established medical equipment makers and hospital groups collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. The name is of the person, so the thing judged is the engineering that lets a person change appearance and pass as someone else, which serves a narrow trade in spying.

Who is paid. I assumed spy services are the buyers, so a government pays; the description does not say the method is a secret, so the firms that already hold such contracts collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. The name is of the person, so the thing judged is the regrowing of a dead person from kept cells, which many bereaved families would pay dearly for.

Who is paid. I assumed families pay and that other laboratories could learn the method once it worked, so established fertility and tissue laboratories collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Keeping the dead within reach of their families would be worth an industry of its own.

Who is paid. Families pay for the keeping, and firms that already run death care and cold storage collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Changing your face at will would be worth a large part of the beauty trade.

Who is paid. People pay, and established cosmetic clinics and brands collect since the method can be copied.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Giving sight back to blind people is worth an industry of its own, though most people would never need it.

Who is paid. Patients would pay, mostly through insurers or health services, and once the design was known other device makers could copy it, so established implant makers and eye clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A calming drug in chewing gum is an ordinary medicine in a handy form.

Who is paid. People would buy it for themselves, and calming drugs of this kind are old and many firms can make them, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Cleaning skin of germs is useful, but other ways of doing it already exist.

Who is paid. Hospitals and laboratories would buy it, and germ-killing lamps are simple things many firms can make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Staying sober while drinking is a convenience for drinkers, not a need.

Who is paid. Drinkers would buy it for themselves, and a new drug is protected from copying for a while, so its maker keeps what is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Choosing a baby's sex at home is something a great many parents would pay for.

Who is paid. Parents buy it in shops, and I assumed it is protected like a new medicine, so its maker keeps what is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Fibres that pull like muscle would serve artificial limbs and, I assumed, machines of many kinds as well.

Who is paid. Makers of limbs and machines would buy the fibres, and other materials firms could learn to spin them, so established materials makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Regrowing lost or ruined tissue would change what hospitals can do for the badly injured.

Who is paid. I assumed hospitals buy and run it; once it worked other makers could copy it, so established medical equipment firms and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A limb that works like a natural one matters greatly to people who have lost one, but they are a small share of everyone.

Who is paid. Patients would pay, mostly through insurers or health services, and several firms could build such limbs, so established makers of artificial limbs collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Legs better than natural ones matter greatly to people who have lost theirs, and I assumed few healthy people would swap their own.

Who is paid. Patients would pay, mostly through insurers or health services, and several firms could build such limbs, so established makers of artificial limbs collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Regrowing lost or ruined tissue would change what hospitals can do for the badly injured.

Who is paid. I assumed hospitals buy and run it; once it worked other makers could copy it, so established medical equipment firms and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Putting people safely into long dormancy would make very long journeys possible and give hospitals time to treat the gravely ill.

Who is paid. I assumed carriers and hospitals buy it; the method could be copied once known, so the firms that already run ships and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. The name is of the person, so the thing judged is the fitting of machine parts to the body, which taken together covers replacement eyes, limbs and organs and is an industry of its own.

Who is paid. Patients would pay, mostly through insurers or health services, and other firms could copy the parts, so established implant makers and the hospitals that fit them collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. A pill for wakefulness and a brighter mood would be used by a great many people.

Who is paid. People would buy it for themselves, and stimulants of this kind are old chemistry many firms can make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

No prize. It is a grim practice nobody may buy or use.

Who is paid. Nothing is sold.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Easier births would be welcome, but this is a side use of a gravity machine and other aids to birth already exist.

Who is paid. I assumed hospitals buy it; whoever makes gravity machines for other uses could supply it, so those firms and the hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A device that makes the surgeon's own movements finer improves some operations but leaves the surgeon in place, so it is a niche.

Who is paid. Hospitals would buy it, and other toolmakers could copy it, so established makers of surgical instruments collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. The description gives only that it alters the mind, so I assumed it would be taken for pleasure by a few.

Who is paid. Users would buy it, most likely unlawfully, and such drugs can be made by many hands, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A cream that numbs the skin is a convenience of a kind already widely made.

Who is paid. Shoppers pay, and many firms can make it so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Operated bodies are a banned niche; assumed a few firms use them for promotion.

Who is paid. Firms pay, and established makers of implants collect since the fittings can be copied.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Staying alert without sleep for long stretches is something a great many workers, drivers and students would use.

Who is paid. People would buy it for themselves, and stimulants of this kind are old chemistry many firms can make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A cleverer dog is a prized pet or working animal, which is a niche.

Who is paid. Owners pay, and because the dogs pass the trait on, established breeders collect instead of the originator.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Closing wounds with light would replace stitches and shorten recovery across surgery and emergency care.

Who is paid. Hospitals and clinics would buy it, and other makers could copy the tool, so established surgical equipment firms collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

No prize. It is done to a person without their say, to hurt them, break their mind or override their will or body, which no one may lawfully buy or use.

Who is paid. Assuming it is outlawed for everyone, governments and employers included, nothing is sold.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Giving sight back to blind people is worth an industry of its own, though most people would never need it.

Who is paid. Patients would pay, mostly through insurers or health services, and once the design was known other device makers could copy it, so established implant makers and eye clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Operations done by machine would change the costs and reach of surgery.

Who is paid. Hospitals would buy it, and other firms could build such machines, so established makers of surgical equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A vast prize. Holding off old age meets about the deepest need there is, and nearly everyone alive would want it.

Who is paid. People would buy it for themselves, and I assumed it is a new medicine protected from copying for a long while, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. The name is of the person, so the thing judged is the surgery and gene work that fit a body for open space, which serves the few who work there.

Who is paid. I assumed firms working in space pay for their crews; other surgeons and laboratories could learn the work, so established clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. The description promises only an unlawful drug taken for pleasure, which gives its users nothing beyond what such drugs already give.

Who is paid. Users would buy it unlawfully, and I assumed such drugs can be made by many hands, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. I assumed it serves the few people who choose to live in open space, which is a niche.

Who is paid. The people who wear it would pay, and a living partner can be bred on by others, so established breeders and suppliers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Man-made skin helps people with burns and bad wounds, which is an important but narrow part of medicine.

Who is paid. Hospitals and clinics would buy it, and the firms that already supply wound dressings could all make it, so they collect a modest margin.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Warning of a heart attack before it strikes would save many lives among older people.

Who is paid. People would buy it for themselves, and many electronics firms could build such a monitor, so established makers of wearable and heart devices collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A vast prize. Holding off old age meets about the deepest need there is, and nearly everyone alive would want it.

Who is paid. People would buy it for themselves, and a new medicine is protected from copying for a long while, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Restoring lost sight with an artificial eye would be worth an industry.

Who is paid. Patients pay, with insurers behind them, and makers of medical implants collect since rivals could copy the eye.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. It is a handy way of taking a calming medicine, not a new medicine.

Who is paid. Patients would buy it, and other device and drug firms could make the same thing, so established makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Grown eyes that see better than natural ones would be worth an industry, as with other replacement eyes.

Who is paid. In the story the makers of artificial people buy them, which is why the payer differs from other eyes; other laboratories could grow them too, so established suppliers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. The name is of the person, so the thing judged is the powered chair that keeps a very frail body alive, which serves a small group of people.

Who is paid. Patients would pay, mostly through insurers or health services, and several equipment makers could build such a chair, so established makers of medical equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Restoring fluids and body chemistry by machine saves ward staff some routine work, which is a convenience.

Who is paid. I assumed hospitals and clinics buy it; such a station is easy to copy, so established makers of hospital equipment collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. An alarm inside the head does what a bedside clock does, so it is a convenience.

Who is paid. People would pay to have it fitted, and other firms could copy it, so established makers of medical devices collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. The name is of the body, so the thing judged is the growing of a spare body, which would serve as a source of replacement parts and belongs with replacement organs.

Who is paid. I assumed patients pay, mostly through insurers or health services; other laboratories could learn the method, so established tissue laboratories and hospitals collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Storing spare bodies is a keeping service that follows from growing them, and the input marks it banned, so I assumed it is allowed only where the bodies are.

Who is paid. I assumed the laboratories that grow the bodies pay for the storage; any firm with cold premises could offer it, so established storage and laboratory firms collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A patch is a handy way of taking a medicine, not a new medicine.

Who is paid. Patients would buy it, and any drug firm can put its medicines in a patch, so established drug makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Seeing at night is an extra and not a cure, which sets it apart from eyes that give sight back.

Who is paid. People would buy it for themselves, and other device makers could copy it, so established implant makers and eye clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Body cells that can think and talk to each other would be a new kind of medicine and of computing, if they stayed under control.

Who is paid. I assumed drug firms and laboratories buy them; a living cell multiplies, so anyone with a sample could grow more, and established drug makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Extra muscle by surgery appeals to a few people who want strength for work or show.

Who is paid. People would buy it for themselves, and other surgeons could learn it, so established clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. A living computer that treats from inside the body would be worth an industry in medicine.

Who is paid. Hospitals pay, and established drug and device firms collect because living tissue multiplies and a sample is enough to copy it.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Lenses set into the face are a fashion choice for a few.

Who is paid. Wearers pay, and any clinic can fit them so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Grown eyes that replace failing ones would be worth an industry.

Who is paid. Patients pay, with insurers behind them, and established tissue growers and eye clinics collect since others could grow them too.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A chosen tan is a matter of looks, not need.

Who is paid. People would pay for themselves, and I assumed many salons and makers of cosmetics could offer it, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Teeth shaped like those of other animals are a fashion, which sets them apart from plain replacement teeth.

Who is paid. Wearers would buy them, and I assumed many dental workshops could grow and fit them, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Giving sight back to blind people is worth an industry of its own, though most people would never need it.

Who is paid. Patients would pay, mostly through insurers or health services, and once the design was known other device makers could copy it, so established implant makers and eye clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. It serves only people who work in space or under unusual gravity, which is a niche.

Who is paid. I assumed employers and space carriers buy it for their crews; a new drug is protected from copying for a while, so its maker keeps what little is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. A medicine for lasting memory would be wanted by students, workers and the old.

Who is paid. People pay for the medicine, and the developer keeps the gain because a new medicine is protected from copying.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A living room answering to one mind is a curiosity; I assumed a few wealthy owners would want one.

Who is paid. The owner would pay, and living tissue can be grown on by others, so established growers of such tissue collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Carrying a child outside the body would spare mothers the risks of pregnancy and open parenthood to people who cannot carry a child.

Who is paid. Would-be parents would pay, and other laboratories could copy the chamber once it worked, so established fertility clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Carrying a child outside the body would spare mothers the risks of pregnancy and open parenthood to people who cannot carry a child, and the mixing of the parents' genes does not change the size.

Who is paid. Would-be parents would pay, and other laboratories could copy the chamber once it worked, so established fertility clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Fashionable teeth are a matter of looks, not need.

Who is paid. People would pay for themselves, and any dentist could offer it, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Drugs taken for pleasure have many users, but the description promises nothing beyond what such drugs already give.

Who is paid. Users would buy them, most likely unlawfully, and such drugs can be made by many hands, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Skin cancers are among the commonest cancers, and a cream that clears them would replace a great deal of surgery.

Who is paid. Patients would pay, mostly through insurers or health services, and a new drug is protected from copying for a while, so its maker keeps what is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A vast prize. The name is of the person, so the thing judged is the treatment that stretches life, and holding off old age is about the deepest need there is.

Who is paid. People would buy it for themselves, and I assumed the treatments are new medicines, which are protected from copying for a long while, so their maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Animals that grow designed living machines would be a new way of manufacturing.

Who is paid. Manufacturers would buy the output, and the breeding stock could be copied, so farms and firms that already own herds and land collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. A revived extinct animal is a draw for parks and collections, which is a niche.

Who is paid. Parks and zoos pay, and since the animals breed, established breeders and park owners collect instead of the reviver.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Pocket oxygen is a convenience for a few.

Who is paid. Shoppers pay, and many firms can fill a canister so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A watchful toy comforts sick children and eases the work of a ward, which is a niche.

Who is paid. Hospitals would buy it for their wards, and a toy with sensors is easy for many firms to make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Storing the frozen dead in orbit is a costly kind of burial for a few.

Who is paid. Families would pay, and other firms could offer the same, so established funeral firms and launch companies collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Skin that shows pictures and words is a novelty for a healthy body, not a need.

Who is paid. People would pay to have it done, and several clinics and device makers could offer it, so established ones collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. A cuff that finds what is wrong and gives the right drug would put everyday doctoring in the home.

Who is paid. I assumed people buy it for themselves; several firms could build it, so established makers of medical devices and the drug firms that fill it collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Watching an embryo grow in depth is a tool for researchers and fertility clinics.

Who is paid. Laboratories and clinics would buy it, and several makers of imaging equipment could build it, so those makers collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A pill that darkens the skin against the sun is a convenience that creams and shade already provide.

Who is paid. People would buy it for themselves, and a new drug is protected from copying for a while, so its maker keeps what is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

No prize. Merging with other species is a way of living in the story, not a product anyone sells.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Reliable birth control is wanted by a large share of adults, though other methods already exist.

Who is paid. People would buy it for themselves, and other makers could copy it, so established drug firms with the shops and brands collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A banned tool for changing a chosen person is a niche; assumed a state agency is the only buyer.

Who is paid. A government pays, and the laboratories that already hold such contracts collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Extra strength for a healthy body is wanted by some workers and athletes, which is a niche.

Who is paid. People would pay to have them fitted, and other firms could copy the implants, so established makers of medical devices collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Giving sight back to blind people is worth an industry of its own, though most people would never need it.

Who is paid. Patients would pay, mostly through insurers or health services, and once the design was known other device makers could copy it, so established implant makers and eye clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Working at crushing depths serves a few deep-sea trades.

Who is paid. Firms working on the sea floor would buy it for their crews, and makers of diving gear could build it, so those firms collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Seeing in the deep sea serves a few divers.

Who is paid. Firms that employ divers would buy them, and I assumed other lens makers could copy them, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. The name is of the person, so the thing judged is the breeding of people made for labour, which would give a state its workforce to order, though few societies would allow it.

Who is paid. I assumed the state runs the breeding, as with other ways of turning out people to order; the method could be copied, so the laboratories and suppliers serving it collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. The name is of the person, so the thing judged is the engineering of a child's genes before birth, which many parents would pay dearly for.

Who is paid. I assumed parents pay; the methods could be copied, so established fertility clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Letting a distant doctor operate would change the cost of care far from hospitals.

Who is paid. Hospitals and remote employers pay, and makers of surgical equipment collect since rivals could build the same machine.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Holding a patient still without drugs is a handy tool for hospitals.

Who is paid. Hospitals pay, and makers of medical equipment collect since the device can be copied.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. It serves only people who work under the sea, which is a niche.

Who is paid. I assumed diving and undersea firms pay to fit their workers; other makers could copy the implant, so established makers of medical devices collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Laying out buildings to slow infection is a helpful feature of design software, not a new industry.

Who is paid. Architects and builders would buy it, and any software firm could write the same thing, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Keeping troops alert through long operations is worth a good deal to any army.

Who is paid. The description names soldiers, so the army pays; wakefulness drugs are widely made, so the firms that already supply military medicine collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. Steadying shaking hands helps people with a few conditions.

Who is paid. Wearers would buy it, and it is a simple device many firms could make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

No prize. The description gives the creature no use that a buyer would pay for, unlike made creatures bred for work, organs or company, so there is nothing to price.

Who is paid. Nothing is sold, so no seller keeps anything.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A vast prize. Removing fatigue itself, not just masking it, is the promise of doing without sleep and would hand nearly every adult many more waking hours; the real medicine of this name does less.

Who is paid. People would buy it for themselves, and a medicine that truly did this would be new and protected from copying for a long while, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Stopping queasiness without medicine is a convenience for travellers and some patients.

Who is paid. People would buy it for themselves, and several firms could build such an implant, so established makers of medical devices collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. A machine that operates would cut the cost of surgery, but with doctors still on hand it changes only that part of medicine.

Who is paid. I assumed hospitals and clinics buy it; with the needed machine intelligence widely available several firms could build it, so established medical equipment makers and hospital groups collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Correcting poor sight serves a large share of all people, though the story treats it as old-fashioned.

Who is paid. People buy them for themselves, and lenses are simple to grind and sold everywhere, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. A steady supply of organs for transplant would be worth an industry.

Who is paid. Patients pay, with insurers behind them, and since the animals breed, established farms and transplant centres collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A small prize. A sprayed glove is a small saving of time and fuss in the operating room.

Who is paid. Hospitals would buy it, and many makers of medical supplies could mix such a spray, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. Clearing germs and other unwanted matter from inside a person with light would replace many medicines and change how infection is treated.

Who is paid. I assumed hospitals and border posts buy the equipment; other makers could copy it once it worked, so established medical equipment firms collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Breathing liquid to bear high pressure serves a few divers and space crews.

Who is paid. Firms would buy it for their crews, and I assumed the liquid is a chemical many firms could make, so no seller keeps much.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. The story promises only a little energy from sunlight, which is a curiosity beside ordinary food.

Who is paid. I assumed people buy it for themselves from clinics; the method could be copied, so clinics already offering such treatments collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A vast prize. Doing away with sleep would hand nearly every adult many more waking hours, changing how most people live and work.

Who is paid. People would buy it for themselves, and a new drug is protected from copying for a long while, so its maker keeps much of the gain.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

No prize. It is done to a person without their say, to hurt them, break their mind or override their will or body, which no one may lawfully buy or use.

Who is paid. Assuming it is outlawed for everyone, governments and employers included, nothing is sold.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. Giving sight back to blind people is worth an industry of its own, though most people would never need it.

Who is paid. Patients would pay, mostly through insurers or health services, and once the design was known other device makers could copy it, so established implant makers and eye clinics collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.

A large prize. The name is of the person, so the thing judged is the fitting of engineered and artificial parts to the body, which taken together covers replacement eyes, limbs and organs and is an industry of its own.

Who is paid. Patients would pay, mostly through insurers or health services, and other firms could copy the parts, so established implant makers and the hospitals that fit them collect.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A large prize. An implant that improves how the body uses food would be wanted by a great many people.

Who is paid. Patients pay, and makers of medical implants collect since rivals could build the same device.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Sleeping through a single flight is a comfort for travellers, unlike the long dormancy that makes far voyages possible.

Who is paid. Travellers would buy it for themselves, and a new drug is protected from copying for a while, so its maker keeps what is left.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is not very sure of this one.

A small prize. Man-made skin helps people with burns and bad wounds, which is an important but narrow part of medicine.

Who is paid. Hospitals and clinics would buy it, and the firms that already supply wound dressings could all make it, so they collect a modest margin.

A model's judgement, not a reading, of the idea as if it worked the way its story promises. The model is fairly sure of this one.