Long-standing concerns about portable electronics include the devices’ short battery life and their contribution to e-waste. One group of scientists is now working on a way to address both of these concerns with the development of a biodegradable nanogenerator made with DNA that can harvest the energy from everyday motion and turn it into electrical power.
The movements we often take for granted – such as walking and tapping on our keyboards – release energy that largely dissipates, unused. Several years ago, scientists figured out how to capture some of that energy and convert it into electricity so we might one day use it to power our mobile gadgetry. Achieving this would not only untether us from wall outlets, but it would also reduce our demand on fossil-fuel-based power sources...
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