earth9d
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.
Nature6d
Cesium Isotope Analysis in Environmental Samples Using Mass Spectrometry
Cesium isotope analysis ... resulting in different atomic masses. Mass Spectrometry: An analytical technique used to measure the mass-to-charge ratio of ions, allowing for the identification ...
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 ...
Interesting Engineering on MSN4mon
Radioactive Cesium-137 found near Russia, raising fears of Oppenheimer-like nuclear test
also known as Cs-137, was first released into the atmosphere during Oppenheimer’s Trinity test on July 16, 1945, which marked ...
Interesting Engineering23d
China builds ‘impossible’ fridge-sized atomic clock for precise military operations
A form of cesium atomic fountain clock, the atomic clock can be readily loaded onto various military vehicles, including trucks. The clock can readily endure long-distance transportation and is ...
Optics9d
Optical atomic clock achieves record accuracy redefining the second
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 ...