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	Podcast:		BrainStuff
	Episode:		How Vacuums Work
	Category:		Science & Medicine
	Duration:		00:01:57
	Publish Date:		2008-12-15 18:00:00
	Description:		If a balloon was filled by a vacuum -- rather than helium or air -- would it float? Check out this HowStuffWorks podcast to learn the science behind balloons and vacuum. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.
	Total Play:		0