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Old 09-22-2013, 10:11 PM   #1087 (permalink)
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Originally Posted by TheEnemy View Post
It doesn't reflect heat, it absorbs infra-red in specific frequency ranges, then re radiates infra-red according to those same frequency ranges.

Look up emission bands, black body radiation, emissivity, and absorption spectrum.
If I recall physics correctly, once the radiant heat energy has been absorbed (it is held in the molecule as a bond vibration that is characteristic of the particular frequency of radiation absorbed) it may, instead, be transferred to another molecule as sensible heat - molecule kinetic energy - through intermolecular collisions.