Subject: Which materials block radio waves the most (and why)?
Date: Mon Feb 18 18:46:00 2002
Posted by Sean
Grade level: 7-9
City: No city entered. State/Province: No state entered.
Country: No country entered.
Area of science: Engineering
I have a science fair on March 14th. I have done the experimentation and some
internet research, but cannot find the answer to the above question. I want to
know why some materials block radio waves and others don't.
Re: Which materials block radio waves the most (and why)?
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