pv magazine International8 个月
Researchers propose use of cesium, rubidium for hydrogen batteries
A study led by Russia’s Skoltech and China’s HPSTAR suggests that rubidium and cesium additives could improve the efficiency of hydrogen batteries. Researcher Dmitrii Semenok tells pv magazine ...
earth4 天
Most accurate optical atomic clock ever made will redefine the meaning of a 'second'
Scientists developed a highly accurate optical ion clock, improving time measurement precision by 1,000 times.
AZoQuantum on MSN5 天
New Ion Crystal Clock Achieves Unprecedented Accuracy
Recent research published in Physical Review Letters by PTB (Physikalisch-Technische Bundesanstalt) details the development ...
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 ...