On 12/19/2010 10:09 PM, Ken Brown wrote:
>> So the
>> bottom line is that all things absorb radiation to some degree, thermalize
>> it, and reradiate it back out. A theoretical blackbody does this perfectly,
>> everything else less so, to varying degrees, but the basic concept is the
>> same.
> And the reason that they call it a blackbody is that black bodies do it
> ( absorb radiation AND reradiate) better than any other color.
Think of a blackbody in thermodynamics as the analogy to the isotropic
source in antennas.
it doesn't exist but makes an excellent reference point.
73
Roger (K8RI)
> DE N6KB
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