Perspective: Washington and Moscow are sleepwalking into a new arms race—while AI speeds the march to a nuclear ...

Former US ambassador to Ukraine Steven Pifer explains that extending observation of New START's numerical limits for one year ...

Atomic clocks are the best timekeepers humanity's got these days, but scientists are working toward something even better: a ...

The “Doomsday Clock” on Tuesday moved to 85 seconds till midnight, bringing the world closer than ever to destruction on the ...

Atomic scientists set their "Doomsday Clock" on Tuesday closer than ever to midnight, citing aggressive behavior by nuclear ...

The Bulletin of the Atomic Scientists will determine if the "Doomsday Clock" needs to be adjusted at 10 a.m. ET on Jan. 27.

Abstract: MEMS-tunable VCSELs have the potential to reduce chip scale atomic clock (CSAC) costs by compensating for poor VCSEL wavelength yields. A delayed self-homodyne interferometer ...

Alternative Time Standard To Be Calibrated By Growth Of Trees… San Francisco Firm Will Offer Novel Financial Instruments Temporally Indexed To Tree-Ring Data We can overcome dehumanization and ...

Researchers at the UK’s National Physical Laboratory (NPL) have created a tiny atomic fountain clock. It is only 5 percent the size of a normal one but keeps the same high-precision time. The clock’s ...

For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more accurate clocks: optical atomic clocks. In a few years' time, they could ...

Smaller version Illustration of a conventional atomic fountain clock (left) next to NPL’s miniature atomic fountain clock. (Courtesy: NPL) A miniature version of an atomic fountain clock has been ...