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A combination. The reason the CO2 absorbs that particular wavelength of IR light is deeply bound in quantum processes. But the reason they hum is simply a class

A combination. The reason the CO2 absorbs that particular wavelength of IR light is deeply bound in quantum processes. But the reason they hum is simply a classic heat effect.

e12e 4y ago
But the hum is a certain frequency - how is that?
- mnw21cam 4y ago
  Because the IR light is turned on and off at that frequency.
  - e12e 4y ago
    Ah how boring (and clever). :)