Summary

Doing away with the leap second might prevent time-related computer anomalies in the future. Human timekeeping rests on two main clocks, and they don’t always run at the same speed. For decades, the solution was the leap second, a minor adjustment added to international time to keep atomic accuracy aligned with the Earth’s natural motion. But on Thursday, the General Conference on Weights and Measures, or the CGPM (abbreviated from its French name), voted to abolish the leap second, closing a long-standing chapter in global time sync.

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