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Gems called rubies are used in lasers.. . True or False
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Gems called rubies are used in lasers.. . True or False

User Samudra Ganguly
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There is some truth that rubies are used in lasers. The ruby laser was the first laser created using a faux ruby crystal as a medium. It was developed by Ted Maiman in May of 1960.
User Ganeshran
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7 votes
As the wise 2 chains as once said, the answer would be "True"
User Easeout
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