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Microphone

A microphone is something everyone knows what it is and everyone has seen. It can be used for games or singers. They can also be used in education by teachers that have large amounts of students to talk to and give presentations.

http://hyperphysics.phy-astr.gsu.edu/Hbase/audio/mic.html

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This entry was posted on March 31, 2009 at 4:42 pm and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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