The new clock is so reliable that it would be off by less than a second if it had started running 100 million years ago, researchers say.

Scientists have taken a major step toward the ambitious global goal of “redefining the second” by the end of this decade. A ...

By comparing optical clocks in six different countries, researchers have taken a major step toward establishing a new global ...

Adtran today launched the latest additions to its Oscilloquartz optical cesium portfolio, expanding access to precision timing across a wider range of network environments. The new OSA 3200 SP and OSA ...

Louis Essen and Jack Parry at the UK’s National Physical Laboratory built the first cesium-beam atomic clock. ・This clock was accurate enough to redefine the second. ・The International ...

New Oscilloquartz models bring advanced optical pumping technology to telecom, defense, data center and metrology networks Adtran's unique cesium clock solutions deliver longer service life and ...

“This advanced ESTU module enhances our industry-first high-performance optical cesium atomic clocks, delivering substantial benefits, including reduced Allan Deviation. These improvements are ...

Every clock in your house probably tells a slightly different time. Now picture those clocks as the most precise instruments humanity has ever built, so accurate that they wouldn't lose or gain a ...

Microchip Technology has released the 5071B cesium atomic clock that can perform autonomous timekeeping for months in the event of GNSS denials. The 5071B is the next-generation commercial cesium ...