Physicspunks
Anonymous
nobody at remailer.privacy.at
Thu Aug 16 23:49:06 PDT 2001
Steve Thompson wrote:
>Quoting Anonymous (nobody at paranoici.org):
>> If a block of a metal is hollowed out and a small port is drilled
>> to see in, the radiance of the cavity is substantially higher than
>> that of the surface of the metal. As if that weren't shocking
>> enough, it turns out that the radiance of cavities is the same no
>> matter what kind of metal is used. (This is so counterintuitive
>> that I almost don't believe it!)
>
> This is actually a phenomenal result. If one makes a large enough
> apparatus so that the cavity is very, very large with a
> correspondingly small port is drilled, you've then got the makings
> of a great beam weapon.
The radiance of the cavity is only a function of the temperature.
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