BrainStuff
Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
August 8, 2014 • 3 min
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://news.iheart.com/podcast-advertisers
Share
Mark as Played
BrainStuff News
Popular Podcasts
Stuff You Should Know
If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks then look no further. Josh and Chuck have you covered.
The Joe Rogan Experience
Joe Rogan's Weekly Podcast
Crime Junkie
Crime Junkie is a weekly podcast dedicated to giving you a true crime fix.
Every Monday, Ashley Flowers will tell you about whatever crime she’s been
obsessing over that week in a way that sounds like you're sitting around
talking crime with your best friends. The storytelling is straightforward
and free of rabbit holes so the cases stay suspenseful and are easy to
follow. If you can never get enough true crime... Congratulations, you’re a
Crime Junkie! You’ve found your people.
Chat About BrainStuff