Everything radiates and absorbs, a simple experiment

  1. Waiting long enough , we will have same temperature for both the blob
    in the center and the wall of the surrounding cavity.

  2. Both give off and receive simultaneously the same amount of energy
    once they have same temperature !!!

  3. em-Radiation takes place at all temperatures, whether we see it or not

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Zig Herzog; hgnherzog@yahoo.com

Last revised: 03/27/13