Fiber optic cables, How they work, and how engineers use them to send signals Series 3, engineer guy videos. I find this a fascinating object, It’s a fiber optic, cable for a stereo.   If I shine this laser pointer down the cable, it guides the light out.   The other end.   These cables are used to connect our world today and are capable of transmitting information across countries and oceans, but first, let me show you how it works.   I have a bucket […]

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