MIT researchers have developed a fuel cell that runs on a widely available compound: glucose. And where is glucose found in abundance? Inside the human body. The notion that microelectronics can derive power from the glucose already floating around in our bodies (from the food we eat, keep in mind), is not new, but when researchers last considered glucose-powered-electronics in the 1970s for pacemakers, lithium-ion batteries were a much better option. The implantable silicon fuel cell uses a...
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