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Human-Machine Interfaces work Underwater, Generate their Own Power

Human-machine interfaces work underwater, generate their own power
(Left) Photo of the magnetoelastic sensor array, which conforms to human skin and can function even when exposed to liquid. It can interact with a music speaker’s command components: play, pause, next, and previous. (Right two) The self-powered magnetoelastic sensor array is rollable and stretchable. Credit: The Jun Chen Research Group at UCLA: junchenlab.com

Wearable human-machine interface devices, HMIs, can be used to control machines, computers, music players, and other systems. A challenge for conventional HMIs is the presence of sweat on human skin.

In Applied Physics Reviews, scientists at UCLA describe their development of a type of HMI that is stretchable, inexpensive, and waterproof...

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