MIT has been working on very thin solar cells made of a film just a few microns thick. The problem? The cells are so thin
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Fuel Cell Catalyst: Less Is More
A fuel cell is almost like a battery that has replenishable fuel. Instead of charging a battery with an electric current, you recharge a fuel
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Fourteen-Legged Cell Carries Nature’s Tiny Computer
Computers are, after all, frighteningly complex state machines. Quite of bit of the software we write can be modeled as a state machine, too. A
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