You find yourself in an airport or hotel room in another country, and you really need to charge your phone, camera or game system. But what is that strange-looking outlet? It has round holes! And ...

As we head into a world of electric cars, charging is the biggest concern for many first-time buyers. It makes sense. While the hype for electric cars themselves is arguably justified, the biggest ...

Metal prongs on a type-A electrical plug. - JACKREZNOR/Shutterstock Most gadgets and small appliances in U.S. homes have either a Type A or Type B electrical plug, perhaps with a cover to hide cords.