◼ Archived
Technology
How an accelerating Earth led experts to adopt the leap hour
3 news sources are covering this Technology story right now — PULSE is tracking how fast it spreads.
Timekeeping
17 trends tracked about this subject — the full history, oldest to newest below.
◼ Archived
Technology
Timekeepers Vote to Make 'Leap Second' a Full Hour
1 news sources are covering this Technology story right now — PULSE is tracking how fast it spreads.
◼ Archived
Technology
Experts have voted to stop adding extra seconds to clock time
5 news sources are covering this Technology story right now — PULSE is tracking how fast it spreads.
◼ Archived
Technology
World’s timekeepers upend how they adjust time to avoid catastrophic ‘negative second’
World timekeepers have voted to abolish leap seconds to prevent a catastrophic negative second.
◼ Archived
Science
Clock ticking for leap second: Why timekeeping could change forever
6 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
◼ Archived
Science
Leap seconds face judgment day as time lords prepare to vote
2 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
◼ Archived
Science
The leap second is on the chopping block
3 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
◼ Archived
Science
Leap seconds have righted global clocks 27 times. So why do timekeepers want to kill it?
Leap seconds have kept world clocks in step with Earth’s spin for 27 adjustments, but timekeepers are now debating their demise.
◼ Archived
Science
Singapore builds world’s most accurate atomic clock, leaves US and China in dust
Singapore’s lutetium‑based atomic clock hits the 19th decimal place, eclipsing US and China’s precision records.
◼ Archived
Science
Canadian study says Earth's core is quietly changing the length of a day
6 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
◼ Archived
Science
Scientists build world's most accurate atomic clock
3 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
◼ Archived
Science
Best clock ever: timekeeper based on lutetium atoms wows researchers
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
◼ Archived
Science
🔮 fades ✗
Time lords prepare to kick leap seconds into the next millennium
Global timekeepers face urgent adjustments as Earth's accelerating rotation threatens to force the scrap of the leap second.
◼ Archived
Technology
🔮 fades ✓
Time lords prepare to kick leap seconds into the next millennium
1 news sources are covering this Technology story right now — PULSE is tracking how fast it spreads.
◼ Archived
Technology
🔮 fades ✓
World May Ditch 'Leap Second' in Favor of 'Leap Hour'
Global timekeeping authorities are considering replacing the leap second with a leap hour as the Earth's rotation speeds up.
◼ Archived
Science
🔮 fades
Leap Seconds Were a Headache. Now Timekeepers Are Considering a Leap Hour
6 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
◼ Archived
Science
🔮 fades
Physicists Just Built the First-Ever Nuclear Clock
Physicists have successfully developed the first working nuclear clock, utilizing the thorium-229 atomic nucleus to track time.