Phantom of the...

Feb 16, 2011 15:16

A lot of folks don't know that disk drive heads are positioned using the equivalent of an audio speaker coil (with a feedback loop to determine position). Audio coil, eh?

Fascinating YouTube video behind the cut )

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freya46 February 17 2011, 00:02:33 UTC
Why do I think you're just jealous? *grin*

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