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The laser is part of our daily life. Many examples…
The laser pointer used in classrooms |
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The CD in a computer or in a hi-fi that are used to read |
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In industry, laser is often used for cutting and microscopic processing. |
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For military purposes, laser is used to intercept guided missiles. |
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Lasers are used to measure distance. |
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Videos :
http://www.youtube.com/watch?v=y3SBSbsdiYg
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http://www.pcmag.com/encyclopedia_term/0,1237,t=laser&i=45928,00.asp
http://www.ehow.com/about_5014443_uses-laser-lights.html
http://www.ehow.com/info_8244093_laser-distance-measuring-tools.html