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Re: an interesting idea...



Alan:

The reason that the vacuum is protecting the metal from burning is because of 
the lack of oxygen and other combustible gases.  If the temperature is 
brought to melting point, it will melt, regardless of vacuum or not.  Heat is 
a form of radiation that needs no medium to travel in.  Think of what the 
earth would be like if heat could not travel from the sun through the vacuum 
of space.  Don't feel bad, this is a common misunderstanding of the nature of 
heat.  Think of heat as a form of light.

Regards,
Roland Tedrow