Skateboard Science
Skateboard Science: A website developed by the Exploratorium to uncover the science of this dynamic sport. Learn the underlying physics of ollies, nollies and kickflips and the manufacturing process involved in making a modern skateboard. ...
www.exploratorium.edu/skateboarding/index.html   reviews

Howstuffworks How Force, Power, Torque and Energy Work
How Stuff Works uses terms like force, power, torque and energy all over the site. Learn what these different terms mean and how they really work!
www.howstuffworks.com/fpte.htm   reviews