Por qué los giros de las montañas rusas no son circulares
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10:50
Roller Coaster Restraints: Explained
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7:29
How cruise ships got so big
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28:18
Why Lego Is So Expensive | So Expensive | Business Insider
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5:54
Why no aquarium has a great white shark
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9:15
How airplane legroom got so tight
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11:31
Etiquette Expert Answers Etiquette Questions From Twitter | Tech Support | WIRED
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22:55
The Golden Ratio: Is It Myth or Math?
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9:26