Melting ice solves leap-second problem — for now

Melting ice solves leap-second problem — for now

THE TOPIC IN BRIEF • Timekeeping is determined by ultraprecise devices called atomic clocks, but it is also aligned with Earth’s rotation, mainly for historical reasons. • Because the planet’s rate of rotation fluctuates, this alignment is maintained with the occasional addition of ‘leap seconds’ to the official time standard. • Now, Earth’s rotation seems … Read more