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1) Bluetooth
Author
Language
English
Description
Bluetooth devices use radio waves to connect. The radio waves come from a small computer chip. When one Bluetooth device comes close to another Bluetooth device, they send out radio signals to each other. It makes the things we do every day so much more convenient. No wires, cables, or cords, allows you to take computers, game controls, and many other objects from room to room. You can even call your friends from your cell phone while in your car...
Author
Language
English
Description
Did you know the microwave oven was actually invented by mistake? While experimenting with electricity, a scientist noticed the chocolate snack he had in his pocket actually melted. This led to the technology that has made cooking faster, more convenient, and used more than conventional cooking. This book addresses the differences between a standard oven, which uses conduction, and a microwave oven, which uses microwaves, causing food molecules to...