DailyDirt: Time, Time, Time. See What's Become Of..

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With the Apple Watch available now, maybe more people will be interested in wearing fancy watches again -- instead of just relying on their phones. Fancy watches once focused on telling time with extreme accuracy, but then digital watches made it really cheap to keep accurate time that was more than "good enough" for most folks. It used to be annoying to need to adjust clocks for daylight savings and power outages, but as more and more clocks are connected to the internet (except for ovens and some cheap alarm clocks), we barely need to think about how to change the time on a clock (who owns a VCR anymore?). Check out these links on accurate time keeping. After you've finished checking out those links, take a look at our Daily Deals for cool gadgets and other awesome stuff.

Filed Under: accuracy, atomic clock, clocks, john harrison, leap second, pendulum clock, time, watches


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  1. icon
    MrTroy (profile), 3 May 2015 @ 11:01pm

    Re:

    See eg http://www.theregister.co.uk/2012/07/02/leap_second_crashes_airlines/

    It's not specifically a problem with leap seconds, it's just that some versions of some software didn't cope well with NTP adjustments as large as a second, because apparently someone thought it was a good idea to use a non-monotonic clock to implement kernel timers. See http://serverfault.com/questions/403732/anyone-else-experiencing-high-rates-of-linux-server-crashes- during-a-leap-second/403767#403767 for good coverage of the details.

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