Scientists at MIT have designed an ingenious new concept for a battery that operates on the same fundamental principal as an hourglass--it relies on gravity to generate energy. They described the device in a recent paper for Energy and Environmental Science.
Scientists at MIT have designed an ingenious new concept for a battery that operates on the same fundamental principal as an hourglass--it relies on gravity to generate energy. They described the device in a recent paper for Energy and Environmental Science.
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