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Scientists are redefining time itself, starting with the second
- Scientists are making progress toward redefining the global standard for timekeeping with optical clocks, which are up to 100 times more accurate than cesium clocks.
- A recent study involving 10 optical clocks from six countries reduced measurement uncertainties and supported the move towards a new time standard.
- Optical clocks measure atoms' frequencies accurately using lasers, offering unprecedented precision that could revolutionize timekeeping in various fields.
- The complex nature of optical clocks poses challenges in building and comparing them, with only about 100 such clocks worldwide due to difficulty in operation.
- Collaborative efforts among international researchers have enabled the comparison of 10 optical clocks, leading to significant advancements in precision and reliability.
- The study utilized both satellite links and fiber optic cables for measurements, resulting in improved accuracy and understanding of optical clock frequency ratios.
- Optical clocks offer insights into fundamental physics, dark matter, and advancements like nuclear clocks that could enhance precision timekeeping further.
- Despite the need for more comparisons, researchers are optimistic about optical clocks becoming the global standard, paving the way for enhanced scientific discoveries.
- The development of nuclear clocks, focusing on nucleus vibrations, shows promise for achieving unprecedented precision levels in timekeeping.
- The ongoing advancements in timekeeping technologies hold the potential to unlock mysteries of the universe and improve scientific understanding on a fundamental level.
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