Simulated two-slit experiment
Try the number of points equal to 50, and click many times to see the pattern
develop. Then try it with 5000 to see the full pattern clearly. Do not worry
if you don't understand any of the explanations given below in the page.
Physics 2000
(learn about a lot of quantum and other physics phenomena---great applets
here).
From balls to tubes to ropes:
new materials from Carbon a lecture by Richard Smalley describing how
nanotubes may be used in making a "skyhook" as predicted by Arthur C.
Clarke in Foundations of Paradise.[Currently not working on Smalley's
website]