Over a century ago, Albert Einstein found a paradox during a thought experiment involving mirrors moving at the speed of light. Now, a new set of calculations may have unravelled it.
“If you search the internet for ‘what would you see in a mirror moving at the speed of light?’ you will find intense discussions on physics-related forums. Curiously enough, none of the proposed answers are correct,” says Sergei Bulanov at the ELI Beamlines Facility in the…