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[–] 76 points 2 years ago (2 children)

I mean, any other non-c speed really.

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  • [–] 103 points 2 years ago (3 children)

    Actually, c is the speed of light in a vacuum, but light travels slower through a medium, like air. So lasers shot through air will actually travel slower than c.

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  • [–] 57 points 2 years ago (2 children)

    (For anyone curious, the speed of light in earth air is like 99.97% as fast as in vacuum)

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  • [–] 22 points 2 years ago (2 children)

    Bunch of nerds in this thread.

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  • [–] 15 points 2 years ago (1 child)

    You're in science_memes what did you expected?

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  • [–] 15 points 2 years ago (1 child)

    Maybe it's going to be space lasers.

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  • [–] 34 points 2 years ago (2 children)

    Do you know what the religious affiliation of these space lasers will be?

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  • [–] 7 points 2 years ago (1 child)

    A laser strong enough to be used as a weapon will probably not leave a lot of medium on its path.

    But the front-most part will still travel at less than c. It will just speed-up after a while.

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  • [–] 1 point 2 years ago (1 child)

    I'm curious. What happens to the medium? Does it simply get pushed aside? Or pushed along? Or will it eat up some energy and react to something else?

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