An Oscillator and Frequency Standard Museum of Time & Frequency |
Nowy atomowy wzorzec czasu:![]() Więcej na: http://www.npr.org/2014/11/03/361069820/new-clock-may-end-time-as-we-know-it i inne: http://discoverjpl.jpl.nasa.gov/posts/520/ http://trs-new.jpl.nasa.gov/dspace/handle/2014/43016 |