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Everyday Machines: Amazing Devices We Take for Granted
Everyday Machines Amazing Devices We Take for Granted Author:David Burnie, John Kelly, Obin How does a microwave cook your food? How does a telephone carry your voice? How does a television make pictures move? Everyday Machines supplies the extraordinary answers to these questions and more. Here curious children and adults alike can discover how an electric motor powers a hair dryer or what an electromagnet does inside a doorbell, and ... more »why each home has a siphon. Once you look inside, you will never again take these amazing machines for granted.« less