If you have an empty jar, is it really empty?  Take all the air out of it and you have a vacuum.  When the pressure drops due to a vacuum, everything begins to behave in strange ways.  Watch and see!<br /><br /><a href="http://web.ics.purdue.edu/~mjcarlso/ST/ST015_Fun_with_Vacuums.m4v">Science Theater Episode 15: Fun with a Vacuum</a>

If you have an empty jar, is it really empty? Take all the air out of it and you have a vacuum. When the pressure drops due to a vacuum, everything begins to behave in strange ways. Watch and see!Science Theater Episode 15: Fun with a Vacuum

If you have an empty jar, is it really empty?  Take all the air out of it and you have a vacuum.  When the pressure drops due to a vacuum, everything begins to behave in strange ways.  Watch and see!<br><br><a href="http://web.ics.purdue.edu/~mjcarlso/ST/ST015_Fun_with_Vacuums.m4v" rel="noopener noreferrer">Science Theater Episode 15: Fun with a Vacuum</a>

Fun with a Vacuum - Episode 15

Video podcast of cool science demonstrations. Join Dr. Matt Carlson as he risks life, limb, and dignity to bring you the finest science videos on Earth.

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Fun with a Vacuum - Episode 15

Fun with a Vacuum - Episode 15