BrainStuff (Podcast)

BrainStuff (Podcast)

Why do the plugs on some appliances have two prongs and others have three? (2015x45)


Air date: May 20, 2015

  • Rank #
  • Premiered: Jul 2008
  • Episodes: 2591
  • Followers: 0
  • Running
  • Unknown
  • Monday at 8