Distinguished Professor Dr. Olga Kocharovskaya of Texas A&M and fellow physicists have started the countdown on developing a new generation of timepieces capable of shattering…
X-ray laser shows a possible route to substantially increased precision time measurement. An international research team has taken a decisive step toward a new generation…
Innovative technology allows for navigation in areas where GPS can’t reach. In a reported global first, researchers from the University of Tokyo have used superfast,…
Comparisons between optical clocks at PTB bolster the quest to detect potential interactions between ultralight dark matter and photons. Observations in astronomy suggest the presence…
In the search for dark matter — the mysterious, invisible substance that makes up more than 80% of matter in our universe — scientists and…
Nuclear clocks could potentially enable scientists to delve into the universe’s fundamental forces in future research endeavors. A critical step forward in this field has been…
The scientists of the QUEST Institute at PTB have developed and tested a new type of optical atomic clock. Highly charged ions are a form…
A new technique to measure vibrating atoms could improve the precision of atomic clocks and of quantum sensors for detecting dark matter or gravitational waves….
University of Wisconsin–Madison physicists have made one of the highest performance atomic clocks ever. Their instrument, known as an optical lattice atomic clock, can…
JILA physicists have measured Albert Einstein’s theory of general relativity, or more specifically, the effect called time dilation, at the smallest scale ever, showing that…
QUEST researchers overcome a major hurdle on the journey towards even more accurate optical atomic clocks. Laser beams can do more than just heat things…
Cooled to almost absolute zero, atoms not only move in waves like light but also can be focused into shapes called caustics, similar to the…
Geared toward improving spacecraft navigation, the technology demonstration operated far longer than planned and broke the stability record for atomic clocks in space. For more…
Designed to improve navigation for robotic explorers and the operation of GPS satellites, the technology demonstration reports a significant milestone. Spacecraft that venture beyond our…
The new atomic clock design, which uses entangled atoms, could help scientists detect dark matter and study gravity’s effect on time. Atomic clocks are the…
Transportable radio telescopes could provide global high-precision comparisons of the best atomic clocks. Using radio telescopes observing distant stars, scientists have connected optical atomic clocks…
Smart phone apps provide nearly instantaneous navigation on Earth; the Deep Space Atomic Clock could do the same for future robotic and human explorers. As…
NASA’s Deep Space Atomic Clock could be the most stable atomic clock ever flown in space. But what does that mean, and what do clocks…