Inventors and Scientists
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[ Biographies (256) ]
[ Experiments (25) ]
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da Vinci’s Inventions
"From the Stevens Institute of Technology in Hoboken, New Jersey, comes a collection of models created from Leonardo’s sketches. Leonardo’s fifteenth-century illustrations foretold today’s helicopters, parachutes, tire jacks and more. For example, to reach the top of an enemy fortress, Leonardo designed a scaling ladder very similar to today’s hook-and-ladder fire trucks. He drew his mechanical ideas with such exceptional clarity, that five hundred years later, they can easily be used as blueprints to create perfect working models.Exploring Leonardo This comprehensive site for fourth- through eighth-graders, created by the Boston Museum of Science, brings Leonardo’s work alive through activities. It is divided into four sections: Inventor’s Workshop (Leonardo’s machines), Leonardo’s Perspective (Renaissance drawing techniques), What, Where, When? (a brief bio), and Right to Left (his curious habit of writing in reverse).
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Cyber Telephone Museum
"When you think of an old-fashioned telephone, what image comes to mind? Whether it’s a crank wall phone or a potbelly desk set, you’ll likely find it in Ron Christianson’s antique telephone collection. The best clicks are Interesting Facts you’ll find listed under History, and the Picture Index. If you want to wander off topic, try an excursion along the Unusual Museums of the Internet WebRing. Yes, Virginia, there is a Toaster Museum."
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Codex Leicester
A Surfnetkids Honorable Mention site.
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Brain Spin: Alexander Graham Bell
"Take your brain out for a spin with this fabulous fun site (my pick of the day) from AT&T Labs. Don’t stop after you’ve perused the Bell pages, learned how he taught his dog to talk and played the mix-and-match game. Click on the spinning red brain to play Switch a Roo (Can you route calls as fast as a telephone switching computer?) or take a ride on the Infobahn and learn about Building the Network of Networks. You’ll need Java and Shockwave to take full advantage of the interactivity. Try it. You’ll like it."
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Bell’s Path the the Telephone
Reviewed April 11, 2001 by Krista, a reader from Canada who is not affiliated with the site. Great source of info on Bell
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Art for Kids: da Vinci
A Surfnetkids Honorable Mention site.
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Anatomy of a Phone Call
A Surfnetkids Honorable Mention site.
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America’s Library: Thomas Alva Edison
A Surfnetkids Honorable Mention site.
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American Experience: Edison’s Miracle of Light
"Produced as a web companion to the 1995 PBS television special, Edison’s Miracle of Light is a worthwhile stop even if you’ve not seen the film. Best clicks are the time line of Edison’s life, photo gallery of eight of his inventions, and the Special Features. ""In 1887 direct current (DC) was king. At that time there were 121 Edison power stations scattered across the United States delivering DC electricity to its customers."" Learn all about AC/DC in the first interactive Special Feature. The second is a collection of five fun tunes the Edison company produced on phonograph records between 1919 and 1926."
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American Experience: More about Bell
"At the age of fourteen, "while visiting London with his father, Aleck was mesmerized by a demonstration of Sir Charles Wheatstone’s ‘speaking machine.’ Upon their return to Edinburgh, Melville Bell, Sr. challenged Aleck and his older brother to come up with a model of their own. Working out of their home, the industrious pair created an apparatus consisting of a facsimile mouth, throat, nose, maneuverable tongue, and bellow lungs. What’s more, the contraption actually produced human-like sounds." This PBS site tells the amazing story of Bell’s prodigious talents and the empire he created."
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