"Global Warming's Impact on Earth's Rotation and Timekeeping"
TL;DR
Earth's rotation is speeding up, potentially necessitating the subtraction of a second from world clocks around 2029, a phenomenon known as a "negative leap second." This change is attributed to the planet's hot liquid core and rapid melting of ice at the poles. The discrepancy between astronomical and atomic time, which has been managed through leap seconds, poses challenges for computer systems and technology. While some advocate for eliminating leap seconds altogether, others argue for maintaining the current system.
Topics:top-newsscience-and-technology#atomic-clocks#earths-rotation#geophysics#leap-second#science-and-technology#timekeeping
- A faster spinning Earth may cause timekeepers to subtract a second from world clocks KABC-TV
- Climate change could affect the measurement of time NPR
- The 'Leap Seconds' LAist
- Global Warming Is Slowing the Earth's Rotation Scientific American
- Human activities are changing Earth's spin and how we keep time Business Insider
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