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USA Today – by Andrew Griffin, The Independent
The year 2015 will have an extra second — which could wreak havoc on the infrastructure powering the Internet.
At 11:59 p.m. on June 30, clocks will count up all the way to 60 seconds. That will allow the Earth’s spin to catch up with atomic time.
The Earth’s spin is gradually slowing down, by about two thousandths of a second per day, but atomic clocks are constant. That means that occasionally years have to be lengthened slightly, to allow the slowing Earth to catch up with the constant clock. Continue reading “Computer chaos feared over 2015’s leap second”