We all know about leap years, but did you know that there are “leap seconds” — and that scientists are arguing about whether to keep them? Leap seconds exist because the Earth doesn’t rotate with absolute precision. It speeds up and slows down as it spins, making some days a few milliseconds faster or slower [...]
Posts Tagged ‘Time’
Looking At The Leap Second
Posted in Science, tagged clocks, Leap Seconds, Leap Years, Science, Time on January 29, 2012 | 1 Comment »