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 ...

When it comes to making molecular movies, producing the world's fastest X-ray pulses is only half the battle. A new technique reveals details about the timing and energy of pulses that are less than a ...

The familiar tick-tock of wall clocks originates from the escapement mechanism, which controls gear movement in precise steps. While our brains perceive two distinct sounds, clocks actually produce ...