You Can Hear The Difference Between Hot and Cold Water
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Solving the mystery of the impossible cord.
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Why are adverts so loud?
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Spherical houses weren't a great idea.
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Do hot and cold water make different sounds? QI Series N Episode 3: Preview - BBC
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Can You Hear Temperature?
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Pop-Pop Boats Are Weirder Than You Think
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Every Nazi Symbol Explained By a German
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