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#135 - Zarke
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(02/03/2013) [-]
It's actually pretty cool once you realize it. It must be tracking the movement of the tendons in your wrist and extrapolating your finger's movement based on the distance each tendon moves. That's some scientific **** right there.
#137 to #135 - insaneguy
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(02/03/2013) [-]
Seems a bit backwards, though... almost like measuring a car's speed based on its gas mileage
#139 to #137 - Zarke
Reply 0
(02/03/2013) [-]
Not really. Very few of the muscles that control your finger's flexing are in your hands. Most of them are in your forearm.