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Answer #1:

Very small wavelengths (near-infrared, far-infrared, sub-millimeter,

microwaves)are the types of electromagnetic waves that are harmful.

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Answer #2:

You have to try really hard to be harmed by infrared, sub-millimeter,

or microwaves. In order to succeed with those, you have to arrange

somehow to put part of yourself in a place where the intensity of the

field is really high, such as sticking your hand under a broiler or into

a microwave oven while it's running, or looking into a transmitting

waveguide. In those cases, they can harm you in the same way that

a super-loud rock band can harm your hearing ... simply because

you've overloaded the structure of the human body, or of the materials

of which it's contructed.

The wavelengths that are intrinsically harmful are the ones with the

shortest wavelengths ... ultraviolet, X-rays, and gamma rays. Those

are the ones that can kill a cell, or tear a gene apart, with the shortest

exposure and at the lowest intensity.

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13y ago

very small wavelengths (near-infrared, far-infrared, sub-millimeter, microwaves)

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Q: What size wavelengths do harmful types of electromagnetic waves typically have?
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What size wavelengths do harmful types of electromagnetic waves have?

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