Wednesday, 17 October 2012

Heating Things:

Infrared waves heat an object from the outside to the inside.
Microwaves heat an object from the inside to the outside.

Infrared waves have a higher frequency than microwaves.
Infrared waves are further up the Electromagnetic spectrum than microwaves.

In conventional terms, gas or electric ovens heat an object from the outside to the inside.  Microwaves heat an object from the inside to the outside.  Utilising both types of heat source may make cooking/heating foodstuffs a faster process; hypothetically twice as fast.

This could also be used in industry, e.g. smelting metals, which would be an alternative to conventional (coal fired) smelting.

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