The National Physical Laboratory of Great Britain carried out measurements showing that The earth is spinning faster, making the days shorter than half a century ago. The analyzes showed that July 29 was the shortest in the history of observations since the beginning of the measurements. As a result, the planet rotated 1.59 milliseconds less.

Among the main reasons that have been found to accelerate the Earth’s rotation is climate change. Scientists say the melting and refreezing of the polar ice caps in the planet’s highest mountains is responsible for the faster rotation and shorter days.

Prior to this, the shortest day of the year was recorded in 2020, July 19. The figures presented showed that the day passed 1.46 milliseconds faster than usual. At the time, the National Institute of Standards and Technology (Nist) even claimed that the Earth had broken the record 28 times for the shortest day ever recorded.

Caring for Scientists

However, the acceleration of the Earth’s rotation is of concern to researchers. This is because if the world continues to spin faster, the atomic clock responsible for the measurement will need to skip a second. This can create problems for information technology systems.

“If the rotation of the Earth continues to accelerate, this could lead to the introduction of the first negative jump. This is necessary so that civil time, based on the ultra-constant rhythm of atomic clocks, is synchronized with solar time, based on the movement of the earth. sun in the sky”astrophysicist Graham Jones told Timeanddate.

Making this change to the atonic clock could have a big impact on the hardware and software infrastructure based on timers and schedulers, they said. Cosmic Portal highlighted that Coordinated Universal Time (UTC) uses this clock, which measures time according to the movement of electrons in chilled atoms.

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Source: news.ru

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