What is Energy?
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27:15
The Most Misunderstood Concept in Physics
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35:49
Que se passe-t-il (vraiment) dans les fils électriques ? 💡🔌⚡️
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29:24
But why would light "slow down"? | Visualizing Feynman's lecture on the refractive index
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32:44
The Closest We’ve Come to a Theory of Everything
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59:00
Professor Jim Al-Khalili Explains What Energy Really Is | Order And Disorder | Spark
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2:00:00
Dark Violin & Cello Music for Deep Focus
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24:31
How Electricity Actually Works
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19:40