Search
The ever-so-slight slowing of Earth's rotation means a leap second must be added to our clocks every few years to keep atomic clocks in sync with Earth, shown here in an image taken by the Apollo 8 astronauts in December 1968. | NASA
Tech

The Science Behind Saturday's Leap Second

Discovery News offers the science behind Saturday's leap second. Learn the science behind Saturday's leap second and find out how it impacts us all.

Published On 06/29/2012
3:00 AM EDT