He developed technologies that helped pave the way for the Global Positioning System and made foundational discoveries that ...

The MIT professor, a recipient of the National Medal of Science, developed technologies that helped pave the way for the Global Positioning System.

ADTRAN Holdings Inc. (NASDAQ:ADTN) is one of the best small cap tech stocks with biggest upside potential. Earlier on June 2, ...

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

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 ...

Adtran expands Oscilloquartz atomic clock portfolio with lower-cost optical cesium solutions for wider market adoption. News summary: New Oscilloquartz models bring advanced optical pumping ...

Adtran’s OSA 3200 SP and OSA 3250 ePRC will bring lower-cost optical pumping cesium technology to new markets and applications.

BOULDER, Colo. — A new cesium fountain atomic clock at the National Institute of Standards and Technology (NIST) in Boulder is making time more accurate by fractions of a second.. It took a team of ...

A new atomic clock is one of the world’s best timekeepers, researchers say — and after years of development, the “fountain”-style clock is now in use helping keep official U.S. time. Known ...

Based on the rising and falling of cesium atoms under a microwave beam, the NIST-F4 atomic clock is so reliable that if it had started to run when dinosaurs existed 100 million years ago it would ...

2025 – NIST-F4 Cesium Fountain Clock NIST’s latest, NIST-F4, boasts an accuracy where it would be off by less than a second over 100 million years. It contributes to the U.S. time scale and ...

The agency’s first fountain clock (NIST-F1) started operation in 1999, serving continuously as a primary standard frequency until 2016, when the clock required restoration. In 2020, NIST scientists ...