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Laser

2:44

LASER - Pragnienie miłości /Czekoladka/ - teledysk do filmu Disco Polo - śpiewa Dawid Ogrodnik

1:33

Powerful 4500mW Blue Laser Demonstration

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Watch the US Navy's laser weapon in action

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World's LONGEST Lightsaber

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My Homebuilt 200W LASER BAZOOKA!!!!!

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term "laser" originated as an acronym for "light amplification by stimulated emission of radiation". The first laser was built in 1960 by Theodore H. Maiman at Hughes Research Laboratories, based on theoretical work by Charles Hard Townes and Arthur Leonard Schawlow.
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