How a fiber optic cable works [Explained]

Using a bucket of propylene glycol, this video shows how a fiber optic cable works and how engineers send signal across oceans.

Replies

  • silverscorpion
    silverscorpion
    Amazing video! Beautifully explained. Especially the total internal reflection demo was cool..

    We had a paper on optical communications in college. I wish we had some practical demos like this when we took that course.. That was one dry course where we had no idea why something works like it does..

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