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NEW! Wireless Technology From Then To Now

R. Grack

Your Elementary readers will follow the sequence of how wireless technologies have brought us from the first Morse code radio transmission to today’s “Internet of Things.” Awesome and important inventions have been created in the passed that have changed the way we use radio waves, from Bluetooth connections to cell phones. Gr. 2-5

Buy this title. ATOS/POINTS 4.0/0.5

Full-color Photographs Further Reading Glossary Index Timeline 32 pages 6-1/2" x 9-1/2" ©20