Add Yahoo as a preferred source to see more of our stories on Google. For years, physicists have been trying to design clocks that can measure tiny durations of time with extreme precision. Quantum ...

A hobbyist who blogs as Chip Overclock wasn't satisfied with his GPS-disciplined desk clock. The Raspberry Pi inside it kept time within microseconds of UTC, but only when GPS satellites were ...

Some people just want to have their cake and eat it too, but very few of us ever get to pull it off. [Erich Styger] has, though with V5 of his “MetaMetaClock”— a clock made of clocks, that uses the ...

If you’ve got an old black and white TV, it’s probably not useful for much. There are precious few analog broadcasters left in the world and black and white isn’t that fun to watch, anyway. However, ...

An alarm clock recommended by Consumer Reports promises gentler wake-ups, sleep sounds, and a calmer start to the day than ...

Imagine a clock that doesn't have electricity, but its hands and gears spin on their own for all eternity. In a new study, physicists at the University of Colorado Boulder have used liquid crystals, ...

As part of his Real Time series, artist Maarten Baas has created The People’s Clock, a timepiece that lives in Amsterdam’s Schiphol airport. To create the c ...

The Doomsday Clock—a symbolic device to signal an array of existential threats to the world since 1947—was recently moved to 85 seconds before midnight, the closest it has ever been to midnight. And ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. People say it every day without thinking ― “two o’clock,” “six o’clock,” “eight o’clock sharp.” But what is the purpose of that ...