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Support the channel: Awesome Green Laser Pointer: https://amzn.to/3r6Wjvr Cat Laser Pointer: https://amzn.to/3ReGvl1 Everyone has seen them, lasers, and have probably teased many cats with them. Just how do those little devices manage to put out this nice beam of light? Lasers are ubiquitous not only in scientific research but also industry ...
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