Recent content by Thepolak

Thanks, this helps a lot!

I have to talk about space time intervals, and thus explaining why do we have to subtract in the equation.

I still don't understand.

I have two questions about the space-time interval question. I'm doing a little research about space time, and about space time intervals, but I'm not sure which equation to take. Some sources say that its s^2 = x^2 - c^2 t^2, other say its s^2 =c^2 t^2 - x^2. So which one do I take? The...