There’s a certain mystique to fine bone china -- have you ever wondered why? Lenox is the only manufacturer of bone china in the United States and they’ve even produced china for five U.S. presidents. Take a trip inside the Lenox factory with HowStuffWorks.
If you have an old refrigerator or one of the small dorm refrigerators, you know all about the frost that forms around the coils that cool the freezer. Learn how newer refrigerators keep this frost from forming.
Microwave ovens are popular because they cook food in an amazingly short amount of time. They are also extremely efficient in their use of electricity because a microwave oven heats only the food -- and nothing else.