A novel transistor controlled by the chemical that provides the energy for our cells' metabolism could be a big step towards making prosthetic devices that can be wired directly into the nervous system. Transistors are the fundamental building blocks of electronic gadgets, so finding ways to control them with biological signals could provide a route towards integrating electronics with the body. The new transistor is made up of a carbon nanotube, which behaves as a semiconductor. (source: newscientist.com)
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