Whether you’re trying to scratch out more time, or just making the most of what you have, there’s no denying that being able to reverse time would be handy. Well, a group of scientists have ...

HP famously built the first portable scientific calculator, the HP-35, although its reverse-Polish notation ... But if you want to step into a time machine and see what that world was like ...

Using muon spin rotation at the Swiss Muon Source SmS, researchers at the Paul Scherrer Institute (PSI) have discovered that a quantum phenomenon known as time-reversal symmetry breaking occurs at ...