PhysicsUltracold clocks could reveal how quantum physics alters time The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test the boundaries of physics News
PhysicsShould it be space-time or spacetime – and why does it matter anyway? Seeking endorsements for her new book, Chanda Prescod-Weinstein finds herself staring at fundamental questions of space, time – and grammar Comment