Researchers at Wuhan University (WHU) in China have produced a commercially manufacturable atomic clock less than one-seventh the size of its smallest US counterpart for use in satellites, drones and ...

Time is almost up on the way we track each second of the day, with optical atomic clocks set to redefine the way the world measures one second in the near future. Researchers from Adelaide University ...

For centuries, time was tied to Earth’s rotation, with a second defined as a fraction of a full day. But inconsistencies in the planet’s spin made that system unreliable for scientific use. Since 1967 ...

You can buy all kinds of conventional clocks that have hands and numbers for easy reading. Or, like [Fabio Ricci], you could build yourself something a little more esoteric, like this neat shadow ...

Tytti Erästö is a senior researcher in the SIPRI Weapons of Mass Destruction Programme. Previously, she worked at the Ploughshares Fund in Washington D.C. and Harvard Kennedy School’s Belfer Center ...

Tom Garwin is a son of Richard (Dick) Garwin and the executor of his estate. He was the founding director of the Nuclear History Program at the University of Maryland. He was professionally engaged ...

The Brihanmumbai Municipal Corporation (BMC) kick-started its work for the Mumbai Gateway project, announced in the civic budget 2026, to construct tall clock towers and carry out beautification of ...