On Sat, 01 Sep 2007 18:19:25 -0700, Tim Attwood wrote:

> I think they are starting to use microwaves in indirect heating in some
> high end ovens.  The microwaves heat some sort of target element, then
> pump air thru it, the oven door can be opened without fear of microwave
> leakage. It reduces cooking time, but I bet it's better in terms of
> power usage too.

Probably, but I'm always reminded of the phrase "there ain't no such 
thing as a free lunch" - when it comes to generating heat, physics still 
applies.  Doesn't mean things can't be more efficient than they currently 
are, though.

Jim

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