What is an atomic clock and how does it work?

Many ads for new clocks advertise their ability to automatically synchronize themselves with the atomic clock in Boulder, Colorado. This atomic clock is more precise because it uses the frequencies of atoms as its resonator.

How Does an Atomic Clock Work?

What is an atomic clock and how does it work?

How do radio-controlled atomic clocks work?

New Super-Accurate Optical Atomic Clocks Pass Critical Test, Tech Pulse, Jun 2019

Sandia National Laboratories: News Releases : World's smallest atomic clock on sale

Ultraprecise Clocks Approach Chronometry's Final Frontier

How Do Atomic Clocks Work?

Keeping Time With Atomic Clocks

Does Anybody Really Know What Time It Is?, by Russ Fein

anyone got info on the atomic clocks? I know they were supposed to stop working and I don't wanna spend the extra $ if it's gonna stop working in a year

Extremely accurate time is increasingly critical. This place is in charge of it.

Atomic clock - Wikipedia