Student Societies listing of physics and astronomy university, college and high-school societies.
Journals links to professional and popular journals.
Publishers links to physics and astronomy books and journals publishers.
Companies links to top high-technology companies that make products for physicists, astronomers, engineers and students.
'A theory with mathematical beauty is more likely to be correct than an ugly one that fits some experimental data. God is a mathematician of a very high order, and He used very advanced mathematics in constructing the universe.'