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	Podcast:		BrainStuff
	Episode:		Why do electric plugs have holes?
	Category:		Science & Medicine
	Duration:		00:02:03
	Publish Date:		2014-08-08 16:09:20
	Description:		You might have noticed that plugs for electric appliances have two holes. There are three reasons for these apertures -- find out what they are in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.
	Total Play:		0