Edible Batteries May Soon Charge Digestible Cameras
Researchers at Carnegie Mellon University, in Pittsburgh, have been developing the batteries, which use melanin and other molecules at negative and positive terminals to produce voltage. The group presented their findings at the 2016 annual meeting of the American Chemical Society, in Philadelphia.

“For decades, people have been envisioning that one day, we would have edible electronic devices to diagnose and treat disease,” said Christopher Bettinger, PhD, a biopolymer scientist at Carnegie Mellon, who is helping conduct the research, in a press release. “But if you want to take a device every day, you have to think about toxicity issues. That’s when we have to think about biologically derived materials that could replace some of these things you might find in a RadioShack.”...

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