How Atoms Work - HowStuffWorks
Article explaining what atoms are, how they are structured, and what they're made up of with diagrams and animations.
www.howstuffworks.com/atom.htm
Single-Configuration Radial Wavefunction Calculator
HTML version of Robert Cowan's atomic structure application package that calculates single-configuration radial wavefunctions for a spherically symmetrized atom via approximations to the Hartree-Fock method.
plasma-gate.weizmann.ac.il/~fnralch/rcn.html
Discovery of the Electron
Experiments by J.J. Thomson in 1897 led to a look inside the atom and the discovery of a fundamental building block of matter.
www.aip.org/history/electron
Java Clebsch-Gordan Coefficient Calculator
Evaluates Clebsch-Gordan coefficients which arise in the theory of angular momentum in quantum mechanics.
www.ph.surrey.ac.uk/~phs3ps/cgjava.html
Chart of Interactions
Six quarks, six leptons and four interactions only?
www.geocities.com/CapeCanaveral/Galaxy/7386/chart.html