[tweener]

That's great!  I wouldn't want to make too many of these in MY oven.  Someone elses oven is another matter!

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John - The Eternal Pessimist.

[neilep (OP)]

That really does look enticing to try...but I agree John...you might very well end up micro-Waving your oven goodbye.....

'Men are the same as women...just inside out !'  

[tweener]

Those pretty little balls of plasma are going to have a VERY high temperature (like hot enough to melt glass).  They would certainly play havoc with the aluminum and plastc parts of the oven.  Also, a lot of the radiation is not going to be absorbed and will go back toward the magnetron, causing it to heat up and.... well you can guess the rest.

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John - The Eternal Pessimist.

[Ylide]

Yes, making ball-lightning in your microwave over is a once-per-oven venture.  Not to mention a terrible fire hazard.





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[gsmollin]

quote:Originally posted by neilep

gsmollin....with regards to the dry sugar in microwaves....would that also apply to anything that is moistureless ?

'Men are the same as women...just inside out !'  

Oh no! Many moistureless items absorb microwaves. Like I said, the dielectric losses of materials as a function of frequency are rather complex. For instance, there is a strong oxygen resonance in the atmosphere at 60 GHz. This has been exploited for satellite-satellite comm links that cannot be jammed or intercepted on the ground. The ozone layer absorbs UV, but is transparent to visible light. And water itself is very transparent to visible light, but absorbs microwaves quickly, especially near 2.4 Ghz, but it is also pretty opaque across a broad microwave spectrum. At about 10 GHz, (if memory serves) the penetration is about 1 meter. At 2.4 GHz it is about 1 cm. Other effects abound. One can coat an aluminized surface with polyimide, and have a material that reflects sunlight, but radiates at thermal infrared wavelengths, because the polyimide ( and many other organic plastics) is nearly transparent to visible light, but opaque, and very "black" at thermal infrared. That one is used to control temperature in sun-facing spacecraft surfaces.

[neilep (OP)]

Thanks Gsmollin....I have learned something today...ta.

'Men are the same as women...just inside out !'