Balloon in a Vacuum

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A balloon is placed in a vacuum chamber and the air is removed.  As the air is removed the pressure drops causing the air trapped in the balloon to expand.  The trapped air expands to many the original volume and the balloon grows in size.  This image is part of a series taken at different vacuum pressures.
A balloon is placed in a vacuum chamber and the air is removed. As the air is removed the pressure drops causing the air trapped in the balloon to expand. The trapped air expands to many the original volume and the balloon grows in size. This image is part of a series taken at different vacuum pressures.
Filename: K12vac-red-balloon005.JPG
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