Temporal flux: why we need to keep adding leap seconds

By David Parkinson, the University of Queensland
Updated July 1 2015 - 10:28am, first published 10:18am
There will be an extra second between 09:59:59 and 10:00:00 on July 1, 2015. Photo: Simon Schluter
There will be an extra second between 09:59:59 and 10:00:00 on July 1, 2015. Photo: Simon Schluter

On July 1 at precisely 10am Australian Eastern Standard time, something chronologically peculiar took place: there’ll be an extra second between 09:59:59 and 10:00:00.

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