I think Virgil showed this to me a while back, and I ran across it today. A nifty way to explore physics [ Very cool... makes some of the connections more clear and at least offers a fairly complete introduction to physics. Though, I agree with Neoteric that it would be nice to see a few problem sets. The math doesn't always make sense until applied. In my case, it almost never made sense until applied, and a decent portion of it was still a mystery after that. Physics is hard... let's go shopping. Still and all this is good and more of this kind of thing will only enrich the web, and those who use it. -k] Hyper Physics |