Physicists from the group of Jorik van de Groep at the UvA-Institute of Physics have devised a new method that can be used to ...

Einstein’s strangest optical illusion has been captured—thanks to lasers, a cube, and a bit of artistic inspiration.

This is the central consequence of Albert Einstein's special theory of relativity. The object then has a different length ...

That’s why we enjoyed [Michel van Biezen’s] two part post on how Michelson computed the speed of light in 1927. You can see the videos below. Michelson wasn’t the first, of course.