Piezoelectrics are a great way to generate electricity from everyday movements. They work by converting mechanical energy from activities like walking, running or even dancing into electrical energy. This electricity can then be used to power small devices such as sensors or even larger items like street lights.

Piezoelectrics are already being used in a variety of applications. For example, they are found in the soles of shoes to create energy as the wearer moves, and in smartwatches to power the device. Now, researchers are looking at how to increase their efficiency and make them even more useful.

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source: Phys.org