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How to Bend fiber optic light in water

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Whether you're bored out of your mind or a budding scientist, this is one cool experiment to do at home. This science tutorial teaches you how to bend fiber optic light in water using a 532 nm, 50 mW laser.

The point of this experiment is to find out that water has excellent internal reflective properties. And, if nothing else, these streams of light look really cool, especially in the dark.

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

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