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Rubies are hard...on the hardness scale they are next to diamonds with a hardness of 9.0...A ruby laser is a solid state laser that uses a synthetic ruby crystal as its medium. Ruby lasers produce pulses of visible light and deep red color....
They are used in a number of applications where you need short pulses of red light...for making holographs...and tattoo removal
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∙ 14y ago
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What is Ruby Bridges maiden name?
Her name is Ruby Nell Bridges.
What Is A Symbol That Represents Ruby Bridges?
ruby bridges
What does Ruby Bridges do in The Ruby Bridges Foundation?
Can you tell me
Is ruby bridges deaf?
No Ruby Bridges is not deaf
Is their a book called Ruby Bridges?
yes there is a book called the story of ruby bridges. google "ruby bridges"
Where do ruby bridges stay at?
where did ruby bridges stay at
What was Ruby Bridges name?
Ruby Nell Bridges Hall
Why was the ruby bridges foundation started?
ruby bridges riling
Is Ruby Bridges a male or female?
Ruby Bridges is female.
Is Ruby Bridges and her family Christians?
ruby bridges is baptist.
What are some of Ruby Bridges facts?
-Ruby bridges was the only African American to go to an all white school -Ruby bridges is 58 -Ruby bridges when to William frantz school
How many brother and sisters did Ruby Bridges have?
Ruby Bridges had four brothers and sisters Ruby Bridges had four brothers and sisters
