atomic clocks

Watching the clock for 14 years is a way to prove Einstein's theory
When did you want to kill time, keep staring at the clock and hopefully time will pass faster? Of course the time is still the same, not favoring anyone.
Rare earth elements can help redefine time
In a brief second, we can do a lot of things: recognize the acquaintance, snap your fingers, feel love, sleepiness or sneezing.
The world's most expensive material costs $ 150 million a gram
New material developed by researchers in the UK is used to create the most accurate atomic clock.
The most accurate atomic clock in the world
Scientists at the National Institute of Standards and Technology (NIST) have officially launched the most accurate atomic clock in the world.
China has produced optical clocks
Scientists in China's Hubei province say they have successfully installed the country's first optical meter, allowing for more precise time measurements than traditional atomic