Could reality be made of more dimensions than those we perceive? The question has consumed some of the most brilliant physics ...

In recent courses, I have noticed two troubling practices of physics students. The first is the student response to homework problems. I hear the following kind of statements all too often: "Oh, you ...

In an online lecture, a professor mentioned that Einstein could draw or imagine a 4-dimensional figure. How can one possibly do that? originally appeared on Quora: the knowledge sharing network where ...