Why do electric plugs have holes?
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.
You May Also Like
Bedtime Astronomy
Synthetic Universe
BirdNote Daily
BirdNote
Bigfoot Society
Jeremiah Byron
I hjärnan på Louise Epstein
Sveriges Radio
Engines of Our Ingenuity
Houston Public Media
The Grave Talks | Haunted, Paranormal & Supernatural
Ghost Stores, Haunted, Paranormal & Supernatural Stories
Real Ghost Stories Online
Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio
Tinfoil Tales
Brandon Wright
The Michael Shermer Show
Michael Shermer
The LIUniverse with Dr. Charles Liu
theliuniverse
Bedtime Astronomy
Synthetic Universe
BirdNote Daily
BirdNote
Bigfoot Society
Jeremiah Byron
I hjärnan på Louise Epstein
Sveriges Radio
Engines of Our Ingenuity
Houston Public Media
The Grave Talks | Haunted, Paranormal & Supernatural
Ghost Stores, Haunted, Paranormal & Supernatural Stories
Real Ghost Stories Online
Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio
Tinfoil Tales
Brandon Wright
The Michael Shermer Show
Michael Shermer
The LIUniverse with Dr. Charles Liu
theliuniverse
Community discussion
No posts yet
Be the first to start the conversation about Why do electric plugs have holes?