Fiber optic cables: How they work

by 1389 on June 17, 2013

in 1389 (blog admin), innovations, Internet, tech industry

On YouTube:

Uploaded on Jun 20, 2011 by engineerguyvideo

Bill uses a bucket of propylene glycol to show how a fiber optic cable works and how engineers send signal across oceans. More info at You can translate captions at

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