Tag Archives: wts

31 Dec 2008
It’s gonna be a long day

Today will be a whole second longer than any other this year. This is also the longest year since 1992, the most recent previous leap year which also included a leap second. Leap seconds are used to keep standard time within 0.9 seconds of apparent solar time, due to the Earth’s changing rotational speed. The […]

Category: Sci-Tech
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