Issue Date: September 2, 2013
This Hydrogel Can Sing
The possibility of implantable electronic sensors to bolster functioning of a person’s brain, heart, or skin depends on scientists’ success in developing flexible electronic circuits that are biocompatible. But all the bendy electronics made so far rely on components such as copper or graphene to conduct electrons across their surfaces, says Zhigang Suo, a professor of mechanics and materials at Harvard University. And those materials, he adds, might not interact well with . . .
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