MImeKillEr writes "Here's an article that explains that MIT has developed a coffee-cup sized robot that uses neurons from rat embryos embedded in silicon. It's the first instance in which cultured neurons have been used to control a robotic mechanism. This was made possible by placing a droplet of solution containing thousands of rat neuron cells onto a silicon chip that's embedded with 60 electrodes connected to an amplifier. The electrical signals that the cells fire at one another are picked up by the electrodes which then send the amplified signal into a computer. The computer, in turn, wirelessly relays the data to the robot."
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