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Carbon nanotubes can conduct sensations through artificial skin back to the brain, making prosthetic limbs feel like the real thing. A nanotube like this one, delicately balanced on top of gold filaments, is threaded through a rubbery polymer. This nanotube-infused polymer generates electricity in response to pressure or force, creating signals that can be routed to your brain. That's why this synthetic skin can "feel." Researchers want to build a prosthetic limb out of this stuff by 2010. Click through for more images of carbon nanotubes, the artificial nervous systems of tomorrow. More »
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