Atomic clocks may be powerful enough to detect the quantum fabric of time

Atomic clocks may be powerful enough to detect the quantum fabric of time

Time feels familiar. It marks every moment of daily life, from the ticking of a wall clock to the changing numbers on a smartphone screen. Yet despite its constant presence, time remains one of the deepest mysteries in science. For more than a century, physicists have known that time is not fixed. Albert Einstein’s theory of relativity showed that time can speed up or slow down depending on motion and gravity. The faster an object moves, or the …