资讯

The laser beam traveled 3.6 kilometers (over 2 miles) via fiber optic links to NIST, where a frequency comb (acting as a “ruler for light”) allowed the aluminum ion clock’s laser to adopt its superior ...
A new discovery reveals how a mysterious quantum spin excitation — a solitary spinon — can exist alone, hinting at advances in quantum technologies. Scientists from the Faculty of Physics at the Unive ...
There's a new record holder for the most accurate clock in the world. Researchers at the National Institute of Standards and ...
A new study led by University of Houston researchers, in collaboration with planetary scientists worldwide, suggests Uranus ...