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Is this really 3D?

Is this really 3D?

Season 1 Episode 3
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Season 1 Episode 4
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Season 1 Episode 14
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Physics Girl

How to Make a Cloud in Your Mouth

Season 1 Episode 2

Learn how to make a wispy cloud come out of your mouth, even when it’s not cold out. Like any awesome trick, physics is to thank for the mouth cloud. This simple and fun demonstration can be used to explain the cloud in a bottle experiment, and real clouds in the sky.