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New gold nanospheres capture nearly the full spectrum of solar energy

Sunlight carries more energy than most solar devices can catch. That gap matters as heat waves grow worse. It also matters as ...
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Experiment motor generator magnetic energy

Experiment Motor Generator Magnetic Energy ...
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Stacked ionic cells inspired by electric rays generate over 100V for small electronics

Inspired by electric rays that generate high voltages through stacked electrocytes, researchers at UNIST have developed a ...