World’s Most Accurate Optical Atomic Clock Achieves 41% Improvement Using 2-Mile Laser Beam
The National Institute of Standards and Technology (NIST) has developed the world’s most accurate optical atomic clock, improving precision by 41% and stability by 2.6 times. This breakthrough utilizes a unique aluminum-magnesium ion pair and a 2-mile-long laser beam to measure time to 19 decimal places, revolutionizing precision measurement.