Image: Flickr/Arjan Richter
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Since 1972, we’ve been ironing over this discrepancy by inserting the occasional “leap second”, an extra second added to a minute at the end of a month to give the Earth chance to catch up with our modern timekeeping devices. The last was in 2012: You probably didn’t notice, but the very last minute in June had 61 seconds. You might have noticed that Reddit went a bit glitchy."Without leap seconds we will eventually lose the link between time and people's everyday experience of day and night."
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