

An institute's employee is seen here near chronotrons with rubidium frequency standard. The rubidium frequency standard is a kind of quantum frequency standards.
- Categories: Science & Technology
- Location: Moscow region, Russia
- Event date: 08.08.2018
- Date published: 08.08.2018
- Author: Sergey Pyatakov
- Credit: Sputnik
- Source: Sputnik
- Original: Digital
- Media: JPEG, 5568x3712px, 11.8Mb