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127,700 Views
2,737,275 Views
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1,229,695 Views
Science & Technology
Schrödinger's cat: A thought experiment in quantum mechanics
Lesson duration 04:38
7,548,777 Views
4,637,266 Views
Science & Technology
Light seconds, light years, light centuries: How to measure extreme distances
Lesson duration 05:29
3,308,375 Views
742,465 Views
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637,588 Views
Literature & Language
Who speaks Wukchumni? A vanishing Native American language
Lesson duration 09:28
68,666 Views
Science & Technology
Cloudy climate change: How clouds affect Earth's temperature
Lesson duration 06:40
188,938 Views
178,266 Views
833,100 Views
2,213,724 Views
4,662,566 Views
Science & Technology
Particles and waves: The central mystery of quantum mechanics
Lesson duration 04:52
1,003,792 Views