An experimental computer chip called Ice River can reuse the energy put into it, researchers say.
A regular computer chip cannot reuse energy. All the electrical energy it draws to perform computations immediately becomes useless heat. Your phone or laptop will “use energy once and then throw it away,” says Michael Frank, a scientist at Vaire Computing, the London company where the new test chip was made. When your device is working hard, you can feel the warmth of all that wasted energy.
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