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NOVAThe Fabric of the Cosmos: Quantum Leap
The Amazing Atomic Clock
What are atomic clocks? And why do we need them?
Clip: S38 Ep18 | 3m 59s
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The Fabric of the Cosmos: Quantum Leap Preview
Take a wild ride into the quantum realm, where even the impossible seems possible.
Preview: S38 Ep18 | 30s
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