However, if you want real precision, you need something either better than a crystal or something that will correct for tiny errors ... discipline from the rubidium clock.

In a quantum experiment, scientists observed photons spending ‘negative time’ in a cloud of rubidium atoms ... govern that ...

Bengaluru: Joining a club of four other countries, India is all set to sync Indian computers with the domestically developed ‘Rubidium atomic clock’ launched last year in a 2G navigation ...

However, if you want real precision, you need something either better than a crystal or something that will correct for tiny errors ... discipline from the rubidium clock.