Bleeps and Blips to Rocket Ships
Great Inventions in CommunicationsBook - 2001
"Our fast-paced world of fax machines, digital cameras, and cell phones is possible because of the work of inventors who paved the way for modern communications. Meet- Reginald Fessenden, who thought of a continuous wireless signal when he noted the ripples resulting from a rock he tossed in a lake; Alexander Graham Bell, who made his famous call - ""Mr. Watson, come here! I want you!"" - because he had spilled acid onto his trousers; William Stephenson, inventor of the wirephoto, who was a spy during the Second World War. From newsprint to fiber optics, discover ten great inventions in this fascinating book, and a great resource for science projects and science fairs- Make your own paper Create your own halftone image Make your own pinhole camera Make a telegraph Use Morse code Make a light fountain"
Publisher: Toronto : Tundra Books, c2001.
Branch Call Number: 609.71 H462
Characteristics: 88 p. : col. ill.