Cosmic rays
Several online sources of information on cosmic rays:
- A Scientific American article
- Stanford (SLAC) virtual visitor centre
- U. of Oregon glossary entry on cosmic rays
- Discovery and history of cosmic rays
- Recall the definition of solid angle
- A collection of CR resources for students and teachers, at the Physics Dept. of U Washington, can be found
here.
14C dating:
Nonconservation of parity in beta decay