Atomic clocks and lasers can help us catch ultra-light dark matter, suggests study
A new study shows that when combined with lasers, atomic clocks can help us catch the most mysterious matter in the universe.
Bulletin of the Atomic Scientists14d
In Depth: Biological Threats
Emerging and reemerging infectious diseases continue to threaten the global economy, society, and security. The collective experience with COVID-19 has led to increased skepticism about the ...
BBC15d
How to read the Doomsday Clock
At 89 seconds to midnight, it is the nearest the world has been to disaster in the seven decades that the Bulletin of the Atomic Scientists has released annual assessments. We live in a moment ...
idw17d
New Technique to Detect Dark Matter Using Atomic Clocks and Lasers
In a collaboration between the University of Queensland, Australia, and Germany's metrology institute (Physikalisch-Technische Bundesanstalt, PTB), the team used data from atomic clocks and cavity ...
Optics21d
Optical atomic clock achieves record accuracy redefining the second
The next generation of atomic clocks “ticks” at the frequency of a laser. That is around 100,000 times faster than the microwave frequencies of the caesium clocks that currently generate the second.
earth21d
Most accurate optical atomic clock ever made will redefine the meaning of a 'second'
Timekeeping has always been fundamental to human civilization. From ancient sundials to mechanical clocks and modern atomic optical timekeepers, each innovation has brought greater precision. Now, a ...
News 800022d
UPDATE: La Crosse man arrested for homicide, victim identified
LA CROSSE (WKBT) -- Police have identified the victim in Sunday morning's shooting death. 42-year-old Justin Betz died of a gunshot wound after a shooting at the 1800 block of George Street Sunday ...
News 800023d
La Crosse Police investigating Northside shooting
LA CROSSE (WKBT) -- The La Crosse Police Department is investigating a shooting on the Northside of La Crosse that took place early Sunday morning. According to an article posted to the City of La ...
Phys.org25d
Redefining the second: Optical atomic clock achieves record accuracy in comparison measurement
The next generation of atomic clocks "ticks" with the frequency of a laser. This is about 100,000 times faster than the microwave frequencies of the cesium clocks which are generating the second ...
studyfinds25d
‘Perfect time’ gets closer: Revolutionary atomic clock could redefine the second
BRAUNSCHWEIG, Germany — Time measurement is entering a new era. The next generation of atomic clocks uses laser light instead of microwaves to track time, oscillating about 100,000 times faster than ...
IFLScience26d
Multi-Ion Optical Atomic Clock Takes A Step Towards Changing The Definition Of A Second
Researchers have developed a new approach in optical atomic clocks that brings forth a major goal in science: the redefinition of a second. The fundamental unit of time could soon be based on ...