Even though computer wireless networks havent been around for very long, the basic technology used to create them is more than 100 years old. WiFi uses radio waves to send and receive data and connect smartphones, tablets, and computers to the Internet. Today, almost everywhere you go has WiFi, including schools, coffee shops, and the library. The inner workings of this ubiquitous technology will fascinate readers, who probably use it every day. Accompanied...

Relates the history of wireless communication and describes how wireless technology is used today, discussing wi-fi computer networks, cell phones, PDAs, GPS, and wireless devices that help in medicine, sports, and games.

Bluetooth devices use radio waves to connect. This book will allow students to use tools and materials to design and build a device that uses light or sound to solve the problem of communicating over a distance.