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How to Weigh something you can't see with this cool science trick

Name: How to Weigh something you can't see with this cool science trick
Uploaded: 2011-01-03T17:31:36.000Z
Description: With this cool science trick by Mr. G, learn how to weigh something you can't even see! Using a stick, some string and two balloons, you can see in your very own home that air, invisible as it is, has weight. This is a good example to show atmospheric pressure.

By WonderHowTo

Jan 3, 2011 05:31 PM

With this cool science trick by Mr. G, learn how to weigh something you can't even see! Using a stick, some string and two balloons, you can see in your very own home that air, invisible as it is, has weight. This is a good example to show atmospheric pressure.

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