| Author/Contributor(s): | Hegedus, Alannah; Rainey, Kaitlin; Slavin, Bill |
| Publisher: | Tundra Books |
| Date: | 3/14/2001 |
| Binding: | Paperback |
| Condition: | NEW |
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