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How does a laptop mouse pad know what is touching it?
Asked by FireMadeFlesh (16593)
March 13th, 2011
Laptop mouse pads don’t seem to work unless used with a naked finger. They don’t work with gloves, plastics, or even fingernails if you use the back of your finger. I think the same may be true of some newer touch screens. How do they distinguish between different surfaces?
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