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The future uses of this technology is fascinating:
"There’s talk of embedding medicines in meals. In his book Fabricated, Lipson dreams of digitally driven dinners, where the printer uses your body’s up-to-the-minute data to create the perfect lasagna for your nutritional needs, with, say, extra protein or vitamin A.
Junk-food makers hope 3-D printing will allow them to patent a new way to combine salt, sugar and fat. Animal-rights activists hope printers will squeeze out pork chops made from the lab-grown stem cells of pigs. And idealists believe that the technology will help solve world hunger. The hope? We can more efficiently ship powdered food to developing countries, where it can be printed into a variety of meals. A group of Dutch researchers is working on inexpensive bases made from algae and insect protein."