If you have ever sat in a quiet room with a wall clock nearby, you have probably noticed the steady tick-tock rhythm. It is such a common sound that most people barely notice it, yet the reason behind ...

It’s Friday, which means I have to wind up the clock on the wall. It’s my wife’s clock. She brought it from Poland, where it had originally been her paternal grandmother’s who lived with them when my ...

YOU might think a clock with an accuracy of 1 second in 60 million years would be tough to beat. Yet atomic clocks using lattices of strontium atoms are poised to do just that, so becoming the gold ...