Fiber Optics

Essay specific features

 

Issue:

Miscellaneous

 

Written by:

Leroy C

 

Date added:

February 12, 2015

 

Level:

University

 

Grade:

A

 

No of pages / words:

6 / 1504

 

Was viewed:

9753 times

 

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Essay content:

Here he used the well-known signal "one if by land, two if by sea." Although primitive, this was still optical communication and we must give him credit for it. Another contender was Alexander Gram Bell and his photophone (slide 3). With this device, one person would speak into a microphone causing a mirror to vibrate...
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Another contender was Alexander Gram Bell and his photophone (slide 3). With this device, one person would speak into a microphone causing a mirror to vibrate. Then sunlight would reflect off the vibrating mirror and hit another mirror 200 meters away. This mirror would then cause a selenium crystal to vibrate and sound would come out the other end...
displayed 300 characters

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