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fiber optic cables are much more sophisticated, optimized for the fastest speeds of light with minimal distortion, and made out of actual glass not plastic. they are also much more expensive to...

wasnt clear from my post? hmm i might have to spend more attention to them :) i said fishing lines because thats what they are:) its just an other thing that they work the same way as optical cables.

you can use almost anything that lets light escape from it i think. the other thing is that if you have a clear plastic tube, even if its not straigtht, the light will go all the way through like in...