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Old 11-13-2010, 04:57 AM   #22
rkomar
Wizard
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Quote:
Originally Posted by adityadubey View Post
I don't think temprature has anything to do with it, its more optical with a grid of infrared beams spanning the screen which then register the location whenever any object impedes their path. The CNET link above has an illustrative picture.
I should have read your earlier response more carefully. Thanks for being patient with me.
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