F4, the latest cesium fountain clock that now stands as one of the most accurate timekeepers in the entire world.

Clocks on Earth are ticking a bit more regularly thanks to NIST-F4, a new atomic clock at the National Institute of Standards ...

According to scientists at NIST in Boulder, their newest atomic clock, the NIST-F4, will help track time more precisely and ...

Resembling a squat, wide fridge, the world’s most accurate clock went on sale for US$3.3 million (HK$25.7 million) in Japan last month. The “Aether clock OC 020” is so precise that it would take 10 ...

ESA's state-of-the-art timekeeping facility, has been successfully installed on the International Space Station, marking the ...

It was history. On March 11, 2011, the Great East Japan Earthquake, magnitude 9.0, struck 80 miles off the Northeast Coast of Japan, generating a series ...

An atomic clock research team from the National Time Service Center of the Chinese Academy of Sciences has proposed and ...

An alternative periodic table of elements focusing on highly charged ions reveals new science that could support the quest ...

Atomic Digital Clock Auto Set (no back light) - Using radio frequencies broadcast from NIST’s Colorado , the clock will automatically set to the correct time. Automatically adjusts to Daylight ...

【Upgraded Big Screen Display】- Experience the luxury of a 5.5" High Resolution Digital Alarm Clock that spells out the time, date, and temperature clearly. The illuminated LED digits ensure ...