Mathematical Cognitive Tools
Virtual Laboratories in Probability and Statistics
Music Composition Visualization using semi-circular arches on a line to link identical passages in a composition. The Java applet is useful for interactive exploration of MIDI files.
Cool Graph Applet for Google that has extraordinary incremental graph layout usability
Zoom from a galactic view down to quarks with Powers of Ten as a Java applet and then try out a
3D Space Map Java applet that can let you zoom around the Milky Way galaxy.
Aurora Photos and Aurora Spotting
Charts up the wazoo, a visualization delight
Electronic Voting Risks
EFF, defending free speech, privacy, innovation, and consumer rights.