<ul><li>A team of researchers has developed a stretchable energy-harvesting device that can generate electricity from body movements.</li><li>The device is small enough to attach to the skin or clothing, making it promising for wearable technology.</li><li>The researchers used a material called lead zirconate titanate (PZT), which is stretchable and maintains high energy efficiency.</li><li>The device achieves an energy efficiency 280 times higher than conventional stretchable piezoelectric harvesters.</li></ul>

This super-efficient wearable device could generate power from body movements

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