Rubidium atoms can exist in three states ... where he actually converts the GPS-discipline oscillator to use the new atomic clock. We’ve seen this done before, of course. Cesium is even more ...

He’s made a real-time-clock module controlled by a rubidium frequency standard ... but among them have been a few based upon atomic standards. More than one has been used as a lab reference ...

Rubidium is found in the earth’s crust alongside lithium and is used in technologies such as atomic clocks, motion sensors, signal generators, and GPS equipment—technologies that all rely on ...