First, the biological components—be they biochemical reactions occurring within a cell or the emergent behavior of large networks of neurons—lack the digital precision of modern clocks. Second ...

Not exciting. A digital clock with seven-segment displays that’s really big and can be read across a football field? ... like not being able to set the time to the exact second – I hate that!

4) Digital Clock Seconds. This is yet another digital clock app that can look very sleek on your bedside. As the app name suggests, this can provide the current time along with seconds, which is ...

The optical lattice clock developed by Ludlow and his colleagues measures the oscillations of a ytterbium atom.Its atomic pendulum swings at a speed of 500 trillion times per second.