NIST achieves record accuracy with new atomic clock

A breakthrough in atomic clock technology has been announced by NIST researchers.

New atomic clock sets record for accuracy

Researchers at the National Institute of Standards and Technology (NIST) have achieved a significant milestone by developing the most accurate clock in the world, capable of timekeeping with an astonishing 19 decimal places. This advanced clock, based on a trapped aluminum ion, outperforms its predecessor by 41% in accuracy and is 2.6 times more stable than any ion clock currently in use. The improvements stem from two decades of meticulous enhancements to the clock's design, including modifications to the laser, vacuum chamber, and ion trap. The research findings were published in Physical Review Letters, marking an important step forward in precision measurement that could redefine the second and impact various scientific fields.

The advancements made by the NIST team highlight the potential for optical atomic clocks to revolutionize timekeeping and scientific measurements. As this clock technology matures, it could enable new research in fundamental physics and precision geodesy. The collaboration between different research groups showcases how interdisciplinary efforts can lead to significant breakthroughs. This progress not only sets a new standard in timekeeping but may also provide insights into the fundamental constants of nature, questioning if they are as stable as once thought.

Highlights

Future advancements in atomic clocks may unlock new frontiers in science.