For a brief window this month, the official clocks that quietly coordinate the Internet’s heartbeat slipped out of sync. After a power outage hit key servers in Colorado, the National Institute of ...
As explained in a mailing list post by Jeffrey Sherman, a NIST supervisory physicist who maintains the institute’s atomic clocks, “The atomic ensemble time scale at our Boulder campus has failed due ...
For more than a decade, the National Institute of Standards and Technology (NIST) has been unveiling experimental next-generation atomic clocks. These clocks, based on ytterbium, strontium, aluminum, ...