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2,847,457 Views
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Schrödinger's cat: A thought experiment in quantum mechanics
Lesson duration 04:38
7,883,621 Views
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Light seconds, light years, light centuries: How to measure extreme distances
Lesson duration 05:29
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Who speaks Wukchumni? A vanishing Native American language
Lesson duration 09:28
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Cloudy climate change: How clouds affect Earth's temperature
Lesson duration 06:40
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180,966 Views
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Particles and waves: The central mystery of quantum mechanics
Lesson duration 04:52
1,022,844 Views
425,755 Views