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Electronic tattoo can monitor and control living tissue:

Researchers at the University of Illinois have developed an electronic device able to monitor and deliver electrical impulses into living tissue. The elastic electronics are made of tiny, wavy silicon structures containing circuits that are thinner than a human hair, and bend and stretch with the body.

“We’re trying to bridge that gap, from silicon, wafer-based electronics to biological, ‘tissue-like’ electronics, to really blur the distinction between electronics and the body,” says materials scientist John Rogers at the University of Illinois Urbana-Champaign.

It is hoped the device could one day be implanted in the brain to monitor electrical activity in people prone to seizures. When it detects a seizure, the device would deliver an impulse to counteract the activity in the brain.

A different model, already modeled on animals, can inject current into heart tissue to detect and stop certain forms of arrhythmia.

(via 8bitfuture)

(Source: nsf.gov)