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How does the touch pad mouse on a laptop work?
I'm just curious, how do those touch pads on laptops work?
What I mean is, how does the pad respond to my finger moving across it when it does nothing when I slide a pencil across it?
It senses the heat from your finger, amazing technology. If you don't believe me try using a pen or cold stylus.
Well that's part of it. I would have to write a book to fully explain, but you can google or yahoo it for a better explanation. I think wikipedia does a good job of explaining.
Laptop Ergonomics - Basic Tips - Adult or Child Laptop Use at Home, Work or School