NASA is funding the development of a printer for food:
Of course, its immediate application is as an experimental technology to feed hungry astronauts in space.
This is getting interestingly close to the fantasies of a Star Trek-style food replicator. Consumers go to the store, buy cartridges of nutrients and flavourings, load them into their printer, download some recipes from the internet, print, and eat.
It may be early to hypothesise about costs, but I hypothesise that 3D printing foodstuffs may massively lower the costs – both in material inputs and in monetary inputs – of producing food.
For instance, today 70% of water usage is for food-related irrigation. Today it takes…