Missing Mary Road

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Kevin Warwick’s new robot behaves like a child. “Sometimes it does what you want it to, and sometimes it doesn’t,” he says. And while it may seem strange for a professor of cybernetics to be concerning himself with such an unreliable machine, Warwick’s creation has something that even today’s most sophisticated robots lack: a living brain.

Life for Warwick’s robot began when his team at the University of Reading spread rat neurons onto an array of electrodes. After about 20 minutes, the neurons began to form connections with one another. “It’s an innate response of the neurons,” says Warwick, “they try to link up and start communicating.”

For the next week the team fed the developing brain a liquid containing nutrients and minerals. And once the neurons established a network sufficiently capable of responding to electrical inputs from the electrode array, they connected the newly formed brain to a simple robot body consisting of two wheels and a sonar sensor.