Re: Objectionable material for children

[Erik Reuter]

On Wed, Jan 24, 2001 at 07:14:45PM -0500, John D. Giorgis wrote:
> Wait a second!   Can a vacuum *have* a temperature?   I thought temperature
> was based on atomic vibrations ~ or something roughly to the effect.
> Since a vacuum is empty, how does it have a temperature?

I don't have time for a complete answer, but here's something to
think about. Suppose you are in space, in a vacuum. Can you measure
a temperature difference if you can see starlight or if you are
in complete darkness? There are no atoms in either case.

-- 
"Erik Reuter" <[EMAIL PROTECTED]>       http://www.erikreuter.com/