World's first nuclear clock to probe fine-structure constant change
Scientists have unveiled the world’s first nuclear clock, a revolutionary advancement that could redefine how time is measured. Unlike traditional atomic clocks that rely on the vibrations of electrons, this innovative device uses the oscillation of atomic nuclei — offering accuracy a hundred times greater than current standards. The breakthrough, achieved through precise control of thorium nuclei, could transform navigation systems, satellite communication, and tests of fundamental physics. Researchers believe the nuclear clock will remain stable for billions of years, unaffected by environmental factors that typically influence atomic clocks. This unprecedented precision may also enable scientists to detect subtle changes in the Earth’s gravitational field or reveal new physics beyond Einstein’s theories. As the technology develops, nuclear clocks could become the cornerstone for next-generation scientific research, quantum technologies, and ultra-accurate time measurement systems around the world.
The Key points
- First-ever nuclear clock developed using thorium nuclei.
- Offers 100 times more accuracy than atomic clocks.
- Resistant to environmental interference and temperature changes.
- May help improve satellite navigation and communications.
- Enables deeper studies of fundamental physical laws.
- Could detect slight gravitational shifts on Earth.
- Stable enough to function over billions of years.
- Represents a major leap in precision timekeeping.
- Expected to benefit quantum and space research.
- Marks a new era for scientific measurement and technology.
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