Electric vacuum cleaners have been helping us keep our homes clean for over a century. There's a lot going on inside these devices -- learn how they suck up the dirt (and whatever else finds its way onto your floor).| HowStuffWorks
Wires, fuses and connectors are the kind of thing in your car that you never think about, but they are essential. They're not just there to keep your radio and lights working! Learn why they are so important.| HowStuffWorks
Ever wonder how a toaster knows when something is done? Does it pop it up regardless? Does it really care if you pick "Light" or "Medium" or "Dark"?| HowStuffWorks