OMG sciencefromwww.scientificamerican.com1 week agoWhat's faster than light? DarknessDarkness, in the form of optical vortices, can move faster than light without violating Einstein's theory of relativity.
OMG sciencefromwww.scientificamerican.com1 month agoWe thought we knew the shape of the universe. We were wrongThe shape of the universe remains unknown, with three possible geometries and the cosmic microwave background as a key to understanding its topology.