To download the information contained in this database in Microsoft Excel, click on the following links: 2010 State Salary , 2011 State Salary , 2012 State Salary , 2013 State Salary, 2014 State Salary and 2015 State Salary.
atomic clock. an extremely accurate electronic clock regulated by the resonance frequency of atoms or molecules of certain substances, as cesium.
The two most commonly used atomic clocks in recent years have been the cesium clock and the rubidium clock. Both involve the locking of an electronic oscillator to the atomic transition. The rubidium clock has had the advantage of portability, achieving an accuracy of about 1 in 10^12 in a transportable instrument.