Food, agriculture and environment

A large prize. Judged as if it worked, one tablet that feeds a person for weeks would be an industry of its own and would change how armies, travellers and the hungry are fed, though I assumed most people would still eat ordinary meals for pleasure.

Who is paid. Households buy it, and I assumed the recipe can be copied once it is known, so the food and pharmacy brands with shop space 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. Food made without fields would free the feeding of people from land and weather, which touches nearly everyone.

Who is paid. Households buy it as ordinary groceries, and since the method can be copied, the food makers who already own plants, brands and shop space 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. Rain on demand would be worth a great deal to farming and water supply in dry regions, though it only brings down water that is already in the sky.

Who is paid. Rain falls on everyone below, so I assumed governments pay, and spraying clouds is simple enough that many operators could do 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. This is a small convenience or novelty in what people drink.

Who is paid. Households buy it, and since the recipe is easy to copy the drink brands that already own shelf space 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. A plant that overruns and remakes every landscape it reaches is a hazard, and it is banned.

Who is paid. Nothing is sold, so nobody pays and no seller gains.

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. Machines taking over the heavy work of farming freed most people from the land, which changed how most people work.

Who is paid. Farmers buy the machines, and they are easy to copy, so the makers with factories, dealers 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 large prize. Judged as if it worked, a capsule that stands in for a whole day of meals would be an industry of its own and would change how armies, travellers and the hungry are fed, though I assumed most people would still eat ordinary meals for pleasure.

Who is paid. Households buy it, and I assumed the recipe can be copied once it is known, so the food and pharmacy brands with shop space 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. Food made without fields would free the feeding of people from land and weather, which touches nearly everyone.

Who is paid. Households buy it as ordinary groceries, and since the method can be copied, the food makers who already own plants, brands and shop space 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. Judged as if it worked, a tablet that stands in for a whole day of meals would be an industry of its own and would change how armies, travellers and the hungry are fed, though I assumed most people would still eat ordinary meals for pleasure.

Who is paid. Households buy it, and I assumed the recipe can be copied once it is known, so the food and pharmacy brands with shop space 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. Compact rations are a convenience for people who cannot carry or cook ordinary food.

Who is paid. I assumed armies and state expeditions are the main buyers, and the firms that already hold their 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 large prize. A city with its machine noise gone but speech still clear would be a real gain for everyone living there.

Who is paid. Nobody can be charged for quiet air one by one, so cities pay, and I assumed the substance is a formula its inventor can keep to itself.

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. Food made without fields would free the feeding of people from land and weather, which touches nearly everyone.

Who is paid. Households buy it as ordinary groceries, and since the method can be copied, the food makers who already own plants, brands and shop space 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. Food made without fields would free the feeding of people from land and weather, which touches nearly everyone.

Who is paid. Households buy it as ordinary groceries, and since the method can be copied, the food makers who already own plants, brands and shop space 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. Fresh food grown on board is a help to a small number of crews, not a wide market.

Who is paid. Whoever buys the ship buys the garden with it, usually a ship operator, and the spacecraft builders that fit out sealed cabins supply 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 vast prize. A cheap base that can be turned into many kinds of food would lower the cost of eating for nearly everyone.

Who is paid. Households buy it as ordinary groceries, and since the method can be copied, the food makers who already own plants, brands and shop space 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. Choosing the weather over wide areas would change farming, flood and drought for most people.

Who is paid. Nobody can be charged one by one for weather, so governments pay, and I assumed the power source it needs is hard enough that the first builder holds it alone.

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. Whole meals grown in tanks with no farms would free the feeding of people from land and weather, which touches nearly everyone.

Who is paid. Households buy it as ordinary groceries, and since the method can be copied, the food makers who already own plants, brands and shop space 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 kitchen machine that builds any dish from raw chemicals would end both farming and cooking for most households.

Who is paid. Households buy the machine for the kitchen, and being strange does not make it hard to copy, so once it exists many firms could build it and 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. Alcohol in dry form is a convenience for carrying and storing a drink people already have.

Who is paid. Households buy it, and drying a drink is easy to copy, so the drink brands that already own shelf space 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 creature in a story and not something anyone could build or sell.

Who is paid. Nothing is sold, so nobody pays and no seller gains.

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 powder that boils water at once is a handy aid for travellers and people without safe water.

Who is paid. People buy it for themselves, and I assumed the chemical is simple enough 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 not very sure of this one.

A large prize. A battery tractor changes the running costs of farming, but it is one machine swapping one power source for another, not the whole move to machines.

Who is paid. Farmers buy it, and the design is easy to copy, so the farm machinery makers with dealers 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. Compact rations are a convenience for people who cannot carry or cook ordinary food.

Who is paid. I assumed armies and state expeditions are the main buyers, and the firms that already hold their 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 large prize. Growing crops in water lets food be raised without good soil, which is an industry of its own even though it never replaced fields.

Who is paid. Households buy the food grown this way, and the method is well known and needs no good land, so any grower can use it and 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. Crops bred for chosen blends of taste are a pleasant variety, not a change in the cost of food.

Who is paid. Growers buy the plants, and since living stock multiplies once any of it is sold, no originator can hold it, so the seed houses and nurseries that already hold stock, land and sales channels 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. Choosing the weather over wide areas would change farming, flood and drought for most people.

Who is paid. Nobody can be charged one by one for weather, so governments pay, and I assumed the power source it needs is hard enough that the first builder holds it alone.

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. Plants that keep the air fresh serve only the few people living in sealed habitats.

Who is paid. Whoever runs the habitat pays, assumed to be a government, and since living stock multiplies once any of it is sold, no originator can hold it, so the growers and suppliers that already serve such habitats 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 hostile plant in a story and not something anyone could build or sell.

Who is paid. Nothing is sold, so nobody pays and no seller gains.

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. Ready meals cooked in minutes changed how many households eat and made an industry of their own.

Who is paid. Households buy them, and any food firm can pack a meal, so the brands with factories and freezer space in the shops 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 plant in a story and not something anyone could build or sell.

Who is paid. Nothing is sold, so nobody pays and no seller gains.

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 creature in a story and not something anyone could build or sell.

Who is paid. Nothing is sold, so nobody pays and no seller gains.

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. Meat without animals at a low price would reshape the whole meat trade, though it replaces one food and not the whole diet.

Who is paid. Shoppers pay, and once the method is known many firms can run tanks, so the meat packers and food brands that already reach the shops 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. Judged on its promise alone, a pesticide that powerful would change the costs of farming, though the story is about the harm it does.

Who is paid. Farmers buy it, and I assumed the chemical is protected so that only its inventor may make 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 large prize. A cheap protein grown in tanks would lower the cost of one part of the diet, as tank meat would, but the description does not make it the staple people live on.

Who is paid. Households buy it inside ordinary food, and tanks of microbes are easy to copy, so the food makers with plants 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 not very sure of this one.

A large prize. It is ordinary farming at the scale of a planet, feeding one crowded world, so it is a very big trade but not a new way of living.

Who is paid. The people of the crowded world buy the food, and farming is easy to copy, so whoever already owns the land and the freight ships collects.

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. This is a small convenience or novelty in what people drink.

Who is paid. Households buy it, and since the recipe is easy to copy the drink brands that already own shelf space 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. Growing crops in soil is how nearly all of humanity is fed.

Who is paid. Households buy the food, and since anyone can farm, those who already own the good land 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 dial for the taste of machine-cooked meals is a kitchen convenience.

Who is paid. I assumed it is a home cooker, which households buy, and the feature is easy to copy, so the appliance makers with brands 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 large prize. Plants that make a thin alien air breathable would open a whole world to settlers, though few people would live there for a long time.

Who is paid. A government pays to seed a whole world, and since living stock multiplies once any of it is sold, no originator can hold it, so the growers and contractors that already hold such public works 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. Meat without animals at a low price would reshape the whole meat trade, though it replaces one food and not the whole diet.

Who is paid. Shoppers pay, and once the method is known many firms can run tanks, so the meat packers and food brands that already reach the shops 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. Meat without animals at a low price would reshape the whole meat trade, though it replaces one food and not the whole diet.

Who is paid. Shoppers pay, and once the method is known many firms can run tanks, so the meat packers and food brands that already reach the shops 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. Meat without animals at a low price would reshape the whole meat trade, though it replaces one food and not the whole diet.

Who is paid. Shoppers pay, and once the method is known many firms can run tanks, so the meat packers and food brands that already reach the shops 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. The story makes this the staple that people live on, so like any food made without fields it would free the feeding of people from land and weather; the real thing stayed a niche and I judged the promise.

Who is paid. Households buy it inside ordinary food, and tanks of microbes are easy to copy, so the food makers with plants 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 not very sure of this one.

A small prize. To the drinker it is just one more drink, and the habit it forms is a harm and not a gain.

Who is paid. Households buy it, and I assumed the additive is a secret that keeps customers tied to one brand, so its owner 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. A cuddly pet from another world is a pleasure for its owner and nothing more.

Who is paid. I assumed it is sold as a pet to households, and since the animals breed fast any owner can become a seller.

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. This is a small convenience or novelty in what people drink.

Who is paid. Households buy it, and since the recipe is easy to copy the drink brands that already own shelf space 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. Nose filters are a cheap personal aid against dirty air.

Who is paid. People buy them for themselves, and a small filter is easy for any firm 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. A big furnace fed from the air is one more way of burning waste, a modest gain over ordinary plants.

Who is paid. I assumed cities pay for waste burning, and the waste firms that already hold the city contracts and sites 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. The story makes this the staple that people live on, so like any food made without fields it would free the feeding of people from land and weather; the real thing stayed a niche and I judged the promise.

Who is paid. Households buy it inside ordinary food, and tanks of microbes are easy to copy, so the food makers with plants 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 not very sure of this one.

A vast prize. The story has it stand in for ordinary food of every kind, so like any food made without fields it would free the feeding of people from land and weather; the real thing stayed a niche and I judged the promise.

Who is paid. Households buy it inside ordinary food, and tanks of microbes are easy to copy, so the food makers with plants 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 not very sure of this one.

A large prize. Milk without dairy animals at a low price would reshape the dairy trade, though it replaces one food and not the whole diet.

Who is paid. Shoppers pay, and once the method is known many firms can make it, so the dairy and food brands that already reach the shops 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. The story makes this the staple that people live on, so like any food made without fields it would free the feeding of people from land and weather; the real thing stayed a niche and I judged the promise.

Who is paid. Households buy it inside ordinary food, and tanks of microbes are easy to copy, so the food makers with plants 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 not very sure of this one.

A large prize. Meals served at once with no waiting staff cut the cost of eating out and made a trade of their own.

Who is paid. Diners pay, and any eatery can drop its waiters, 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. Reaping and baking in one machine is a convenience over a harvester and a bakery working apart.

Who is paid. Farm and bakery firms buy it, and I assumed it is easy to copy, so the farm machinery makers with dealers 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 not very sure of this one.

A large prize. A crop that grows meat would cut the cost of meat across the whole trade.

Who is paid. Growers buy the plants, and since living stock multiplies once any of it is sold, no originator can hold it, so the seed houses and nurseries that already hold stock, land and sales channels 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. Meat without animals at a low price would reshape the whole meat trade, though it replaces one food and not the whole diet.

Who is paid. Shoppers pay, and once the method is known many firms can run tanks, so the meat packers and food brands that already reach the shops 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. Plants that keep the air fresh serve only the few people living in sealed habitats.

Who is paid. I assumed state space programmes pay, and plants and algae can be regrown by anyone who has a sample, 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. This is a creature in a story and not something anyone could build or sell.

Who is paid. Nothing is sold, so nobody pays and no seller gains.

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. Fresh food grown on board is a help to a small number of crews, not a wide market.

Who is paid. Whoever buys the ship buys the tanks with it, usually a ship operator, and the spacecraft builders that fit out sealed cabins supply 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 large prize. Meat without animals at a low price would reshape the whole meat trade, though it replaces one food and not the whole diet.

Who is paid. Shoppers pay, and once the method is known many firms can run tanks, so the meat packers and food brands that already reach the shops 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 creature in a story and not something anyone could build or sell.

Who is paid. Nothing is sold, so nobody pays and no seller gains.

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 natural growth in a story, not a technology, and nobody makes or sells it.

Who is paid. Nothing is sold, so nobody pays and no seller gains.

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. This is a small convenience or novelty in what people drink.

Who is paid. Households buy it, and since the recipe is easy to copy the drink brands that already own shelf space 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. Drinking water drawn from dry air would open up dry lands to settlement, which is worth an industry.

Who is paid. People living in dry places buy it for themselves, and I assumed the gear is simple enough that many workshops 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. Drinking water drawn from dry air would open up dry lands to settlement, which is worth an industry.

Who is paid. People living in dry places buy it for themselves, and I assumed the gear is simple enough that many workshops 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.

No prize. Plants that burn whoever comes near are a hazard, and the description does not say that anyone plants them on purpose as a guard.

Who is paid. Nothing is sold, so nobody pays and no seller gains.

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 postcard you can eat is a novelty.

Who is paid. Families buy them to send, and printing on something edible is easy for 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 fairly sure of this one.

A large prize. Drinking water drawn from dry air would open up dry lands to settlement, which is worth an industry.

Who is paid. People living in dry places buy it for themselves, and I assumed the gear is simple enough that many workshops 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 small prize. A growing tunnel on the Moon feeds a small settlement, not a wide market.

Who is paid. Firms working on the Moon pay for it, and because it must hold air against vacuum, the builders that already make sealed shelters 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. Weather shaped as a show is an entertainment for a small audience.

Who is paid. I assumed spectators and patrons pay the performers, and anyone with the gear and the skill can stage one, 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 pouch of feed for servant workers is a plain supply item.

Who is paid. Unlike rations for armies, here I assumed the masters who keep the workers buy it, and a sweet feed is easy for anyone to make.

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. Microbes that break down plastic and rubber would change the cost of dealing with waste.

Who is paid. Waste firms and councils' contractors buy the cultures, and since living stock multiplies once any of it is sold, no originator can hold it, so the laboratories and waste firms that already hold cultures, plant and customers 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. Meat without animals at a low price would reshape the whole meat trade, though it replaces one food and not the whole diet.

Who is paid. Shoppers pay, and once the method is known many firms can run tanks, so the meat packers and food brands that already reach the shops 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. Compact rations are a convenience for people who cannot carry or cook ordinary food.

Who is paid. I assumed armies and state expeditions are the main buyers, and the firms that already hold their 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 small prize. Alcohol in dry form is a convenience for carrying and storing a drink people already have.

Who is paid. Households buy it, and drying a drink is easy to copy, so the drink brands that already own shelf space 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. Keeping frozen ground frozen across wide stretches would protect roads, pipelines and towns in cold lands.

Who is paid. Governments pay to protect land nobody can be charged for, and I assumed the new material is hard to copy, so its first 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. A machine that clears smog from city air would be a real gain for everyone who breathes it.

Who is paid. Nobody can be charged for clean air one by one, so cities pay, and I assumed the makers of heavy air-handling gear who already sell to cities 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. Weather shaped as a show is an entertainment for a small audience.

Who is paid. I assumed spectators and patrons pay the performers, and anyone with the gear and the skill can stage one, 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. New land raised from the sea would be worth a great deal to a crowded country.

Who is paid. A government pays for a project of this size, and I assumed the heavy engineering firms that already win such contracts do the work and 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 animals out with sound is a niche tool for a few sites.

Who is paid. Owners of sea sites such as fish farms and harbours buy it, and underwater loudspeaker gear 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 large prize. Water drawn from dry air for crops would open up dry lands to farming, which is worth an industry.

Who is paid. Here farms buy it to water crops, not households to drink, and I assumed the gear is simple enough that many workshops can make 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. A zoo of creatures from many worlds is an attraction people visit for pleasure.

Who is paid. I assumed visitors buy tickets, and whoever holds animals that nobody else can get 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. A store of living things is insurance against loss, valued by the public but not something that changes daily life.

Who is paid. No visitor or user can be charged, so governments pay, and I assumed any capable builder can put one up, 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 crop that grows meat would cut the cost of meat across the whole trade.

Who is paid. Growers buy the plants, and since living stock multiplies once any of it is sold, no originator can hold it, so the seed houses and nurseries that already hold stock, land and sales channels 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 animals out with sound is a niche tool for a few sites.

Who is paid. Site owners such as farms, ports and airfields buy it, and loudspeaker gear 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. A barrier of corrosive liquid is one more way to fence a zoo.

Who is paid. Zoos buy it, and a ditch filled with a harsh liquid is something any builder can supply, 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. Fresh water delivered by iceberg could supply dry coastal cities, which is a whole water business.

Who is paid. City water authorities pay, and I assumed the towing can be copied, so the firms that already own big tugs and ports 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. Trees that make usable oil in quantity would change the costs of the fuel and oil trade.

Who is paid. Planters and mills buy the trees, and since living stock multiplies once any of it is sold, no originator can hold it, so the nurseries and forestry firms that already hold stock, land and sales channels 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. Meat without animals at a low price would reshape the whole meat trade, though it replaces one food and not the whole diet.

Who is paid. Shoppers pay, and once the method is known many firms can run tanks, so the meat packers and food brands that already reach the shops 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. Cultivated flavour morsels are a treat, a pleasant extra and not a staple.

Who is paid. Households buy them, and I assumed the growing method is easy to copy, so the confectionery brands with shop space 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 crops without soil lets food be raised without good land, which is an industry of its own even though it never replaced fields.

Who is paid. Households buy the food grown this way, and the method is well known and needs no good land, so any grower can use it and 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 cheap protein grown in tanks would lower the cost of one part of the diet, as tank meat would, but the description does not make it the staple people live on.

Who is paid. Households buy it inside ordinary food, and tanks of microbes are easy to copy, so the food makers with plants 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 not very sure of this one.

A small prize. Tiny trees that mature in days are an ornament; too small for timber, so I assumed they are bought for looks.

Who is paid. People buy them for the home or garden, and since living stock multiplies once any of it is sold, no originator can hold it, so the nurseries and garden shops that already hold stock and shelves 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. Recovering metals and materials from old dumps would be an industry of its own.

Who is paid. Factories buy the recovered materials, and the digging is easy to copy, so those who already own the dump sites 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 store of living things is insurance against loss, valued by the public but not something that changes daily life.

Who is paid. No visitor or user can be charged, so governments pay, and I assumed any capable builder can put one up, 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. Raising insects for food in the kitchen is a niche taste.

Who is paid. Households buy it, and a box for insects is easy for any appliance firm 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 large prize. Meat without animals at a low price would reshape the whole meat trade, though it replaces one food and not the whole diet.

Who is paid. Shoppers pay whether this is a home machine or a factory one, which the description does not say, and once the method is known many firms can copy it, so the meat packers and food brands that already reach the 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 large prize. This is a profession and not a product, so I judged the work it sells: making and shaping whole landscapes to order would be an industry of its own.

Who is paid. I assumed developers and cities hire these designers, and it is a skilled trade that many people can train for, so no one 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 reef that draws in the sea to supply big coastal settlements would be a water business of its own.

Who is paid. A government pays for the water supply of its coast, and since living stock multiplies once any of it is sold, no originator can hold it, so the marine builders and growers that already hold such public works 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. This is a small convenience or novelty in what people drink.

Who is paid. Households buy it, and since the recipe is easy to copy the drink brands that already own shelf space 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 package of weather instruments is a tool for a small group of scientists.

Who is paid. I assumed state science bodies buy it, and instruments like these can be made by many firms, 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. This is a creature in a story and not something anyone could build or sell.

Who is paid. Nothing is sold, so nobody pays and no seller gains.

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. Meat from an organism that grows only the edible parts would cut the cost of meat across the whole trade.

Who is paid. Meat producers buy the stock, and since living stock multiplies once any of it is sold, no originator can hold it, so the breeders and farm suppliers that already hold stock, sheds and sales channels 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. Coffee that ripens all at once for machine picking would change the costs of the coffee trade.

Who is paid. Growers buy the plants, and since living stock multiplies once any of it is sold, no originator can hold it, so the seed houses and nurseries that already hold stock, land and sales channels 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. Seed that must be bought again every season changes who holds the money in farming, though the gain to growers depends on the crop being better.

Who is paid. Growers pay every season, and because saved seed will not sprout the breeder can stop all copying and keeps the most.

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 drug put into meals to make people placid and it is banned, so nobody may buy it.

Who is paid. Nothing is sold, so nobody pays and no seller gains.

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. Butterflies that stay with a bouquet are a pretty extra on a gift.

Who is paid. People buy them with their flowers, and since living stock multiplies once any of it is sold, no originator can hold it, so the florists and breeders that already hold stock 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. Running one community farm by networked software is a modest gain in care for the land.

Who is paid. The farm itself pays for the system, and farm software and sensors can be supplied by many firms, 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. Lifting whole flooded districts above the water would save cities and be a building trade of its own.

Who is paid. City authorities pay, and the lifting can be copied, so the big construction firms that already win public works 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. Fast-growing trees for paper and wood fibre would change the costs of the paper and timber trade.

Who is paid. Planters and mills buy the trees, and since living stock multiplies once any of it is sold, no originator can hold it, so the nurseries and forestry firms that already hold stock, land and sales channels 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 pouch that makes dirty water drinkable is a cheap personal aid, precious where water is scarce but a small purchase.

Who is paid. People buy it for themselves, and a simple filter pouch can be made by many firms, 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. Gathering waste from public toilets to recover water and plant food is a modest saving for a dry city.

Who is paid. The city pays for its own plumbing, and the pipes and treatment gear can be supplied by many firms, 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. Cooling the whole planet would touch the weather and harvests of nearly everyone, for good or ill.

Who is paid. Nobody can be charged one by one, so a government pays, and the gun and the particles are plain engineering that many builders could supply.

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.