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  • Are you filming with a GameBoy?

    nicexe 4 months ago

  • Thank you lol and happy birthday light amplification by stimulated emission of radiation. :)

    quantummandavid 1 year ago

  • Really good man!! 

    ccarrizo185 1 year ago

  • Best description I've seen for how a laser works- well done!

    scaldingjoy 1 year ago

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