Sign inPassword recoveryRecover your passwordyour emailAtomic clocks, combined with precise astronomical measurements, have revealed that the length of a day is suddenly getting longer, and scientists don’t know why.This has critical impacts not just on our timekeeping, but also things like GPS and other technologies that govern our modern life.Over the past few decades, Earth’s rotation around its axis—which determines how long a day is—has been speeding up. This trend has been making our days shorter; in fact, in June 2022 for the shortest day over the past half a century or so.But...…Sign inPassword recoveryRecover your passwordyour emailAtomic clocks, combined with precise astronomical measurements, have revealed that the length of a day is suddenly getting longer, and scientists don’t know why.This has critical impacts not just on our timekeeping, but also things like GPS and other technologies that govern our modern life.Over the past few decades, Earth’s rotation around its axis—which determines how long a day is—has been speeding up. This trend has been making our days shorter; in fact, in June 2022 for the shortest day over the past half a century or so.But...WW…