now I am seriously wondering if you really a physics major


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送交者: timliang 于 2010-07-27, 17:47:10:

回答: not really, first of all, specular reflection, on in this case 由 steven 于 2010-07-27, 17:44:05:

shiny surface doesn't reflect infrared?

have you ever seen a propane heater with a reflector?





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