Time may be up for timekeeping radio stations

Sep 11, 2018
Trump administration wants to eliminate broadcasts of U.S. "master clock."
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Can serve clocks make the U.S. Open more exciting?

Aug 24, 2018
The Grand Slam tennis event will add 25-second timers to keep matches moving.
Belgium's Elise Mertens plays a shot beside a clock during a match against Australia's Daria Gavrilova at the Australian Open in Melbourne in January.
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5 things you need to know about daylight saving time

Mar 9, 2018
Yes, it's saving, not savings. No, that's not one of the five things ...
So many clocks, so little time.
(Jessica Hromas/Getty Images)

How significant is the leap second?

Jan 19, 2012
The leap second keeps atomic clocks (and therefore computers and cell phone networks) on the same cycle as the Earth’s rotation. Some businesses want to scrap it so they don’t have to stop and adjust their systems every year or…
The leap second keeps atomic clocks (and therefore computers and cell phone networks) on the same cycle as the Earth’s rotation.
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Jeff Bezos builds a huge clock inside a mountain

Jun 17, 2011
Why? Because he's a billionaire and wanted to. It's charming when he does it and it makes news. If you or I tried to build a clock in a mountain,...