Eating food could be replaced by nanorobot nutrient delivery system.
By early 2030s, experts predict nanorobots will be developed to improve the human digestive system, and by 2040, as radical as this sounds, we could eliminate our need for food and eating.
This is the vision of futurist Ray Kurzweil and nutritionist Terry Grossman, M.D., in their popular book, Fantastic Voyage: Live Long Enough to Live Forever. In the coming decades, the authors claim, “We will be able to reengineer the way we provide nutrients to our trillions of cells.”
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