How does fiber optic work

The Romans must have been particularly pleased with themselves the day they invented lead pipes around 2000 years ago. At last, they had an easy way to carry their water…

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How Fiber Optics Work

You hear about fiber-optic cables whenever people talk about the telephone system, the cable TV system or the Internet. Fiber-optic lines are strands of optically pure glass as thin as a human hair that carry…

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How Endoscopes work?

Think back to what medicine was like only a hundred years ago. Suppose you're a 19th-century physician and a patient knocks on your door complaining of acute pains in their…

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