If you hear very clear voice over your telephone or see clear pictures, it is not just due to the quality telephone or televisions alone. The crystal clear sounds and images are due to the optical fibers that carry the information through light.
Fiber optics or optical fibers (optical fibers) are long, thin strands of very pure glass about the diameter of a human hair. They are arranged in bundles called optical cables and used to transmit light signals over long distances.
read more.....
http://www.wonderwhizkids.com/index.php/fiber-optics
Fiber optics or optical fibers (optical fibers) are long, thin strands of very pure glass about the diameter of a human hair. They are arranged in bundles called optical cables and used to transmit light signals over long distances.
read more.....
http://www.wonderwhizkids.com/index.php/fiber-optics
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