Figure 1: Clock comparisons between SrI and SrII. For SrII we also took extra care to minimize fluctuations in the magnetic-field-related lattice Stark effect and the second-order Zeeman shift 28. To ...

Seven-segment displays are one of the most ho-hum ways to display the time. They were cool for a little bit in the 70s, but ...

The Bulletin of the Atomic Scientists announced on Jan. 23 that the hands of the Doomsday Clock will remain at 90 seconds to midnight—the closest it has ever been to apocalypse. Every year, the ...

The Bulletin of the Atomic Scientists set the clock at 90 seconds to midnight on Tuesday, citing the war in Ukraine as well as climate change, online disinformation and other threats. By Jesus Jiménez ...

The world has less than six years left to hit crucial global climate goals, according to the clock. The world has less than six years left to hit crucial global climate goals, according to the clock.

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Annie Chou Annie Chou is a ...