[time-nuts] Double ovened 10811-60158 on ebay

[Jim Lux]

Quoting Mark Sims <holrum at hotmail.com>, on Sat 12 Jul 2008 09:12:34 AM PDT:

>
> Remember that heat flow is proportional to the FOURTH power of the   
> temperature difference.

Heat transferred by *radiation* goes as the 4th power.  Heat  
transfered by conduction goes linearly.  Unless you're in a vacuum,  
conduction might dominate.