Sailors assigned to Unmanned System (UMS) Platoon 142 attached to Explosive Ordnance Mobile Unit (EODMU) 5, prepare the global positioning system (GPS) with location points for the Remote ...
Clocks on Earth are ticking a bit more regularly thanks to NIST-F4, a new atomic clock at the National Institute of Standards and Technology (NIST) campus in Boulder, Colorado. This month, NIST ...
The 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. A new atomic clock is one of the world’s best timekeepers, ...
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