Earth had the shortest day since the invention of the atomic clock

Earth had the shortest day since the invention of the atomic clock

Scientists have recorded the shortest day on Earth since the invention of the atomic clock. Rotation is the time it takes the Earth to rotate once on its axis, which is approximately 86400 sec. The previous record was documented on July 19, 2020, when the day’s measurement was 1.47 milliseconds shorter than normal. The atomic …

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