Leap seconds have helped keep clocks synchronized with Earth’s rotation, but their time is now over – here’s why

You’re probably used to the month of February having an extra day every four years, during the leap year. Timekeepers added that extra leap day because Earth completes one orbit around the Sun in ...

What time is it on the Moon?: If we synchronized two clocks on Earth and one were sent to the Moon, there would be a difference of 56 microseconds per day

According to Albert Einstein and his general theory of relativity, time on our satellite is slightly different from that on ...

Leap seconds help keep clocks synchronized, but their time may be over

If you think about leap years, it may seem like humans have a very odd way of measuring time. Sometimes, timekeepers even ...
Nature

Clocks synchronized at the quantum limit

David Gozzard is in the International Centre for Radio Astronomy Research and Department of Physics, University of Western Australia, Crawley 6009, Australia. Atomic clocks keep time using the ...
Bustle

The 4 Best Atomic Alarm Clocks

If you like to know the exact time, all the time, and hate re-setting your clocks for daylight saving time, an atomic clock will help keep you on top of your schedule. The best atomic alarm clocks are ...
YAHOO!

Leap Seconds Have Helped Keep Clocks Synchronized with Earth's Rotation, But Their Time May Be Over

You're probably used to the month of February having an extra day every four years, during the leap year. Timekeepers added that extra leap day because Earth completes one orbit around the Sun in ...