Darren New <dne### [at] sanrrcom> wrote:
> Light is (essentially) a traverse wave[1], which is why your microwave oven
> has little holes in the screen so you can see in without getting fried. It's
> working like you think - the light has a frequency high enough that it fits
> thru the holes, while the microwaves are bigger and bounce off.

Even this is only the case because the screen is conductive.

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