Why petting your cat leads to static electricity

Anyone who has ever pet a cat or shuffled their feet across the carpet knows that rubbing objects together generates static electricity. But an explanation for this phenomenon has eluded researchers for more than two millennia.

An edible toothpaste-based transistor

A toothpaste-based transistor is the latest innovation from the research team at the Istituto Italiano di Tecnologia (IIT-Italian Institute of Technology) in Milan, which pushes the boundaries of edible electronics. This ...

Manganese cathodes could boost lithium-ion batteries

Rechargeable lithium-ion batteries are growing in adoption, used in devices like smartphones and laptops, electric vehicles, and energy storage systems. But supplies of nickel and cobalt commonly used in the cathodes of these ...

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