March 21, 2008, Newsletter Issue #108: What Are Fiber Optics?

Tip of the Week

Fiber optics are strands of very pure glass or transparent plastic surrounded by a reflective coating called cladding. Light can go in one end of a fiber optic strand, and go along the strand for long distances.

They were originally invented to carry signals in the form of light. They also make remarkable Christmas tree decorations that carry colored light throughout fiber optic artificial Christmas trees.

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