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pokeman
11-02-2007, 04:25 PM
I need to know these few things but I'm having a little trouble finding them:
The sources of electromagnetism
Types of it
Harmful effects of it
and prevention of it.

EmBreon
11-07-2007, 12:55 AM
Well, there are too many to list. This (http://www.totse.com/en/technology/science_technology/emr.html) site should answer enough of those questions: harmful effects and sources mostly. Otherwise, I suggest going to a library and renting something there; the internet is too vague to find a reliable source easily. Most searches will result in describing what electromagnetism is defined as instead of the information you need.