I've done some thinking about the nature of an event in different reference frames; I made some simple calculations pertaining to the following scenario. There is a room moving at speed v and a beam of light is made to go from one side of the room to another in the same direction and parallel to...
So JesseM, you are saying that the fact that the light beam hits the ceiling at that particular spot is in agreement between an observer within the room and the observer outside of the room.
I read that the speed of light is independent on the relative velocity of the source. So why is it that the beam zig-zags if there is relative motion between an observer and a light clock. This zig-zagging implies the vector addition of velocities. I know that the speed c is kept constant during...