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World of Engineering on Twitter: "On November 14, 1967 – American physicist Theodore Maiman is given a patent for his ruby laser systems, the world's first laser. https://t.co/8GHS8C9APm" / Twitter
Laser - Wikipedia
Laser - Wikipedia
How to Make a Laser (with Pictures) - wikiHow
Laser - Wikipedia
Iron beam, Iron Dome and laser defense | Jeremy Rutman | The Blogs