Recent content by d3aj1986

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    Undergrad Speed of Lasers: 300x Faster Than Light? Plus, What Happens in Space?

    Did some research regarding this issue, they seem to talk about group or phase velocities which can be faster than the speed of light. What about my second question, if you point a laser in space that is.
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    Undergrad Speed of Lasers: 300x Faster Than Light? Plus, What Happens in Space?

    So from what I understand nothing is faster than the speed of light, but how come lasers are faster than the speed of light? A quick google search shows that a laser set record by going 300 times faster than the speed of light! Also, what happens if you shine a regular consumer laser in...
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    Graduate Light when going as fast as the speed of light

    Let's ignore the impossibility of it and assume you are in a spaceship going at the speed of light. If you shine a light from the spaceship how would an observer see it? Just light? What if the observer is shinning light parallel to the spaceship.. How would you see it?