How Do Laser Pointers Actually Work? The Incredible Technology Inside a Tiny Beam
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YouTubeHistory of Simple Things
How Do Laser Pointers Actually Work? The Incredible Technology Inside a Tiny Beam
Ever wondered why a laser pointer creates a perfectly straight beam while a flashlight spreads light everywhere? In this video, we break down the fascinating science behind laser pointers, from excited atoms and photons to laser diodes and mirrors that amplify light into one focused beam. We’ll explore why lasers are usually red, why green ...
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