| Inventions at Nationalgeographic.com [ Kids/Teens ] - Encounter some of the world's most interesting inventions while helping Professor Lou Knee fire up his latest gadget. http://www.nationalgeographic.com/features/96/inventions/ |
| Reinvent the Past: Famous Inventions [ Kids ] - Find out how the airplane, automobile, light bulb, telegraph, and bifocal glasses came into existence in this Thinkquest Junior site. http://library.thinkquest.org/J002039F/ |
| Smith College Museum of Ancient Inventions [ Kids/Teens/Mature Teens ] - Virtual museum includes photographs and brief descriptions of the tools of a bygone era. http://www.smith.edu/hsc/museum/ancient_inventions/home.htm |
| Totally Absurd Inventions [ Kids/Teens/Mature Teens ] - From the tricycle lawn mower to the diaper alarm, read about some of the strangest patents ever applied for. http://totallyabsurd.com/ |