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- A fiber-optic technique is similar to the copper wire technique that fiber-optics is replacing. The difference is that fiber-optics use light pulses to transmit information down fiber lines in lieu of using electronic pulses to transmit information down copper lines. Taking a look at the parts in a fiber-optic chain will give a better understanding of how the technique works together with wire based systems. Where copper cabling makes use of electricity to transmit signals from finish to another, fiber optics use light pulses to accomplish the same purpose. The fiber cable is made of a transparent glass core surrounded by a mirror like covering called cladding. Light passes through the cable, bouncing off the cladding until it reaches the other finish of the fiber channel - this is called totalRead more