How do lasers work? Who invented the laser?
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An introduction to the science of lasers and how they convert electrical energy into a powerful beam of concentrated light.
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A History of the Laser: 1960 - 2019, Features, Jun 2019
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What Is a Laser? NASA Space Place – NASA Science for Kids
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How do lasers work? Who invented the laser?
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Laser & Maser, Definition & Differences - Video & Lesson Transcript
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High-power Lasers American Scientist
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How do lasers work? - Lasers
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A nuclear fusion experiment finally made more energy than it used
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laser - Kids, Britannica Kids
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How to Make a Laser (with Pictures) - wikiHow
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Ruby Laser How it works, Application & Advantages
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NIF's Guide to How Lasers Work