GHSA Cheerleading State Championships Day 2 Session 1 - Class 5A and 3A

The Amazing Atomic Clock NOVA

Premiered November 14, 2011
The Amazing Atomic Clock

What are atomic clocks? And why do we need them?

About the Program

NOVA

NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.

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