In an optical atomic clock, atoms are irradiated with laser light. If the laser has exactly the right frequency, the atoms change their quantum mechanical state. All external influences on the atoms ...
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 at ...
The UAE on Friday recorded its coldest day so far this winter — and much to residents' delight, frost and ice crystals were spotted on the country's highest mountain. Temperatures dropped to a ...
A team of chemical engineers at Deakin University, working with colleagues from the University of Western Australia, the University of Sydney and Monash University, all in Australia, has found that a ...
In strong Bronsted acid catalyst, cesium heteropoly acid (Cs HPA) was used to catalyzed the esterification ... The diffractogram were recorded over 2θ values ranging from 2-60º with a scanning rate of ...
The return to form of Gabriel Jesus proved timely for Mikel Arteta as Arsenal fought back from a goal down to make the semi-finals. The Brazilian forward took his tally to four this season, and ...