In my bathroom there is a plug that has a "Test" and a "Reset" button. When I push the "Test" button, it cuts off the current to the outlet. What is this? How is it different from the fuse in the fuse box?| HowStuffWorks
Every morning you scoop in the coffee, add the water and turn it on, but have you ever wondered what is happening inside your coffee maker? Find out how that precious gadget delivers your wake-up dose.| HowStuffWorks
Espresso, cappuccino, latte, double latte, double mocha latte... Espresso drinks have become coffee-shop staples all over the world. Watch us take apart an espresso machine!| HowStuffWorks
