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This laser can't escape the water. Physics won't let it. It's called total internal reflection and it's the same physics behind fiber optic cables.

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Massimo

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51,199 görüntüleme • 5 gün önce •via X (Twitter)

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When light inside water hits the surface at a steep enough angle, it stops escaping and reflects completely back into the water. It’s called total internal reflection, and it’s a reminder that even light doesn’t always travel the path we expect.
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