In order to synchronize clocks around the world with the somewhat irregular rotation of the Earth, a single second is added from time to time. This is called a "leap second," and the next one is scheduled to be added at about 7:59 p.m. Tuesday, June 30.
Scientists started adding these seconds in 1972.
There is some controversy about them. The last one, in 2012, caused outages on some major websites and problems ...
In order to synchronize clocks around the world with the somewhat irregular rotation of the Earth, a single second is added from time to time. This is called a "leap second," and the next one is scheduled to be added at about 7:59 p.m. Tuesday, June 30.
Scientists started adding these seconds in 1972.
There is some controversy about them. The last one, in 2012, caused outages on some major websites and problems ...