Time Nuts (2005)(leapsecond.com)
29 points by jacquesm | 29 comments
Info page for Time-Nuts, a mailing list for amateurs interested in precise time and frequency, with subscription details, resources, and history.
#atomic-clocks on Hacker News
8 stories tagged atomic-clocks, newest first.
Thorium 229 based nuclear clocks(jerrycards.com)
4 points by oofbey | 2 comments
News article reporting that two research teams, at Tsinghua and TU Wien, have built the first operating nuclear clocks based on the thorium-229 nucleus.
A nuclear clock synchronized to 229Th(nature.com)
13 points by sbulaev | 3 comments
Open-access Nature research article reporting a nuclear clock synchronized to the thorium-229 nuclear transition.
Scientists build most accurate atomic clock(phys.org)
50 points by wglb | 23 comments
Phys.org news article about scientists building the world's most accurate atomic clock; the capture shows a Cloudflare verification challenge instead.
NIST was 5 μs off UTC after last week's power cut(jeffgeerling.com)
326 points by jtokoph | 142 comments
Jeff Geerling blog post explaining how a multi-day power cut at NIST Boulder caused its ensemble clock to drift 5 microseconds from UTC.
NTP at NIST Boulder Has Lost Power(lists.nanog.org)
461 points by lpage | 199 comments
NANOG mailing list post reposting a NIST notice that the Boulder atomic time scale failed during a power outage, affecting its Internet Time Service NTP servers.
NIST ion clock sets new record for most accurate clock(nist.gov)
337 points by voxadam | 118 comments
NIST news release announcing its aluminum ion clock set a record as the world's most accurate atomic clock, measuring time to the 19th decimal place.
Where does my computer get the time from?(dotat.at)
776 points by fanf2 | 231 comments
Tony Finch's blog post adapting his RIPE meeting lightning talk explaining how computers obtain the time, from NTP servers back to atomic clocks.