(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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