Home Bread-Bakers v006.n051.8

Microwave Ovens

Mon, 27 Nov 95 10:05:01 CST
Sorry if this thread is off topic and has gotten out of hand, but this is 
Bailiwick and I actually enjoy it.

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>a pot. I'd be interested in hearing more about what you read, though. I
>never have quite trusted microwaves!

I can assure you that microwaves are quite well understood and you have
nothing to worry about.

[stuff deleted]

> however it's bunk.  100% bunk,  though there might be some radioactivity
> retained for a very short time. (like about 1/2 the time it takes you to 
> the door) by the time you actually get the door open (assuming you did 
> stop the oven first but just opened the door and let the safety interlock 
> it) all radioactivity will be gone.

Nope, no radioactivity involved or created at all by microwaves.

>  One word of caution however...............

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>Second.  I have seen one microwave with slots in the cooking enclosure 
>enough to LOOK THROUGH (along the back/bottom of the case).  I'd avoid 
>as these slots would easliy let out much of the enegery.  Make sure yours
>has a "leakproof" (To microwave enegry) cooking enclosure.

Let's define "leakproof".  In order for microwaves to escape from a 
shielded enclosure
there would have to be an opening with a dimension that is 1/2 wavelength 
in size.
Microwave ovens operate at a frequency of 2450 Megahertz (2,450,000,000 
per second), which corresponds to a wavelength of about 12 centimeters.  
Therefore, you
would need an opening of approximately 6 centimeters (2.4 inches) to allow 
microwaves to escape.  Furthermore, federal standards that apply to 
microwave manufacturers specify a maximum leakage rate that is extremely 
conservative.  Bottom line, unless your microwaveoven is somehow damaged or 
you attempt to modify it, you have nothing to fear.

Noel Montgomery, Health Physicist