Useful sites
Physics Tutorials: University of Guelph Links to a very large number of physics sites
Just for interest
Some of the World's Largest Particle Accelerators:
TRI-University Meson Facility, located at UBC Stanford Linear Accelerator Center, located near San Francisco, California located in Switzerland (CERN was also the birthplace of the world wide web)
Neutrino Observatories:
The Solar Neutrino Observatory located in Sudbury, Ontario Observatory located in Gifu prefecture, Japan, home to Super-KAMIOKANDE project
Other:
A good source of astronomy information and images A non-technical library of black holes, superstrings, hot big bang theory, etc.