The Mysterious Leap Second

From the creator

Leap Day's got nothing on the Leap SECOND! Hank explains why a second is being added to 2012 and why some are upset about it. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow

Published 2012-02-29 · Watch on YouTube ↗
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