leap second

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The Leap Second Explained | Space Time | PBS Digital Studios

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What Is a Leap Second? | National Geographic

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Why Leap Seconds Cause Glitches

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Do We Need a Negative Leap Second?

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Leap second: What does it mean? BBC News

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What is a negative leap second? How climate change is changing the Earth's rotation

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2016-12-31 Leap Second

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Leap second added to atomic clock in Sydney | Science news

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Packers fan who prevented Texans running back Joe Mixon's attempt at Lambeau Leap ejected from game

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What is a leap second?

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Leap Second Explanation

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How One Second Can Crash the Internet

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The Leap Second

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What Is A “Leap Second”? | 30STK | NBC News

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What is a ‘Negative leap second’ ? | Earth just completed a rotation in less than 24 hours!

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The Mysterious Leap Second

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Why 2016 Had an Extra One Second

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'Leap second' explained in one second by Guinness World Record

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What is a Leap Second?

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Leap second 2015

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John Dalziel: A brief history of Leap Seconds

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Leap second 2016: 11 things that will happen before midnight

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'Leap second' explained in one second by Guinness World Record

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5 Leap Second Facts