It seems strange to me that if the speed of light is constant that it would travel in a path parallel to the flashlight. If the flashlight is moving, the light would have to move as well. If the beam is observed moving parallel to the flashlight it would be moving at the same speed as the...
In Max Born's Einstein's Relativity he has a part called "The Study of Motion--Rectilinear Motion He says that velocity has the dimension length divided by time (v=l/t). At one point he talks about a line on an xy plane curving, and says its motion is continually changing. To measure its...
I have a question about a thought experiment I read about. I think the question or a similar was asked, and I'm sure others have asked this question, but I'm asking it in this way so it can be answered through the framework of my question. The framework of how I'm understanding it, and so that...