I finally get my hands on what I consider a holy instrument: the HP 5061A Cesium clock. We'll turn it on and play with it, of course, but I'll also explain how it works in more details than most videos, both the quantum physics principle and the HP implementation. What makes it tick is just mind blowing.
See continuation in part 2 here:    • How an Atomic Clock Really Works, Rou...  

Cody's Lab Cesium video:    • Isolating Cesium Metal  

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Music Credits:
Crinoline Dreams by Kevin MacLeod (www.incompetech.com)
Scott Joplin's Nonpareil Rag by Scott Kirby (http://scottkirby.net/)