Georgia State University
Georgia State University: Hyper Physics: Particles
This is a very detailed site containing information on several sub-atomic particles including the Hadron.
Lawrence Berkeley National Laboratory
Berkeley Lab: Sub Nucleonic Structure and the Modern Picture of a Nucleus
A simple explanation of the structures theoretically found within protons and neutrons. The resource consists of pictures and links to additional resources.
Lawrence Berkeley National Laboratory
Berkeley Lab: The Particle Adventure
Visit this site for an interactive tour of the atom and all aspects of particle physics. View the animations available with almost every description on this site. A great place for the fundamentals of particles and forces including a...
Georgia State University
Georgia State University: Hyper Physics: Hadrons
This site defines hadrons and their characteristics. There are links to explanations and more detailed information about interactions and composition.
Lawrence Berkeley National Laboratory
Berkeley Lab: La Aventura De Las Particulas
Learn the fundamentals of particles and forces with this site. Explore the paths that explain matter in the universe.
Lawrence Berkeley National Laboratory
Berkeley Lab: Particle Adventure: Hadrons, Baryons, and Mesons
This article, part of a particle physics tutorial site, explains and illustrates three kinds of quarks: hadrons, baryons, and mesons.
Nobel Media AB
The Nobel Prize: Structure of Matter: Fractional Charges and Unseen Quarks
Learn about the problems faced when scientist were trying to define quarks on this reference page.