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New battery-free electricity source: Tiny plastic beads | Harnessing a principle known as triboelectrification, researchers have worked out the optimal way to generate an electrical charge in a relatively simple way.


Harnessing a principle known as triboelectrification, researchers have worked out the optimal way to generate an electrical charge in a relatively simple way. The breakthrough could provide a battery-free way to power wearables and other devices.

While the method will never replace wind, solar, geothermal and other green energy initiatives because of its inability to generate serious power, it could have a home in smaller applications such as medical devices and wearable tech. The researchers also say the beads can be produced without the use of solvents, making them cheaper to manufacture, and that they can be renewed with a simple coating of powder when they do wear out. The mountains and beaches of central Portugal, where he now lives with his wife and two giant poodles, offer the perfect foil for way too much screen time.

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