Thursday, August 11, 2011

'Electronic Skin' Grafts Gadgets to Body - ScienceNOW

'Electronic Skin' Grafts Gadgets to Body - ScienceNOW: Now, Rogers and his colleagues at Urbana-Champaign and other institutions in the United States, Singapore, and China have come up with a form of electronics that almost precisely matches skin's mechanical properties. Known as epidermal electronics, they can be applied in a similar way to a temporary tattoo: you simply place it on your skin and rub it on with water...
In one experiment, the group applied a device the size of a postage stamp to a person's chest to pick up the electrical signals produced by the heart. The measurements agreed "remarkably well" with those produced by a hospital electrocardiogram, the researchers say, without relying on potentially uncomfortable gels or tape. In another experiment, the group applied a device containing a microphone to a person's throat and fed the signal to a computer. The computer could recognize four different words: "up," "down," "left," and "right."

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