20 Interesting Facts About Fiber Optics

Once confined to experimental setups in physics labs, fiber optics have evolved into the silent architects of global connectivity. These cables don’t carry electricity—they carry light. Invisible to the eye, yet essential to modern life, laser pulses travel through glass strands, linking continents, powering the internet, and enabling everything from video calls to financial systems.

But how much do we really know about this hidden network beneath our feet and oceans? In this article, we uncover 20 fascinating and unexpected facts about fiber optic technology—how it works, where it's used, and why it's one of the most important inventions of our time.

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