For more than a century the speed of light was treated as an unbreakable cosmic limit. Now physicists are revisiting that rule with radical new ideas that do not break Einstein’s laws but bend space ...

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of ...

Look inside a science fiction computer, and you’ll probably see tubes and cubes that emit light. Of course, it’s for effect, but the truth is, people do think light computing may be the final frontier ...