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CrowdScience - Everyday Experiments 鈥� The Instant Coffee Effect - 蜜芽传媒 Sounds

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Everyday Experiments 鈥� The Instant Coffee EffectEveryday Experiments 鈥� The Instant Coffee Effect

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Helen Czerski demonstrates how coffee granules can change the speed of sound in hot water

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Everyday Experiments 鈥� The Instant Coffee Effect
Helen Czerski demonstrates how coffee granules can change the speed of sound in hot water
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