Robot Muscles - Electric Motors

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What would a robot be without their version of muscles? Well, maybe it would be just a computer. Now, that’s not so bad if all you want to do is input data and information via a keyboard, CD-ROM, voice or some other means, have the computer do something with that information, and then have the computer store or output that data onto a screen, printed page, a speaker, or some other passive device. Most of us enjoy our computers quite a bit, but we expect some sort of movement from them...

SERVO Magazine (May 2008)
By Tom Carroll

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