Recent content by kornha

  1. K

    Einstein Luminosity and Speed of Light

    Homework Statement Find the Einstein luminosity (LE) in terms of just c and G (the speed of light and the gravitational constant), i.e. determine a power (in watts) from just these two terms using dimensional analysis. What is this value? Once determined, you should be able to show that an...
  2. K

    Timelike separated events cannot occur at the same time

    Can someone clarify this for me? If we are in a timelike interval, X^2-(ct)^2>0, but why exactly can't events occur at the same time? Say they are in the same time and same place?
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