Scott Watson's Physics FAQs - http://www.het.brown.edu/people/watson/pages/resources.htm A list of FAQs (Frequently Asked Questions) regarding Cosmology, String theory, Relativity and General Physics
Physics Forums - http://www.physicsforums.com/ Bulletin boards on physics and related subjects. Includes related polls and a list of active threads.
Advanced Physics Forums - http://www.advancedphysics.org/ Intended primarily for physics majors, graduate students, postdocs and faculty. Get meeting information, theoretical and research information and exchange of ideas. Meant for the physics community throughout the world.
PhysOrg Discussion Forum - http://forum.physorg.com/ Applied physics, nanotechnology, quantum physics, and semiconductor technology. Also discussions of the latest physics news.
QuantumBrain - http://www.quantumbrain.info Collaboration between a neuroscientist based at the University of Oxford and a quantum physicist based at the University of Queensland. Includes blogs and philosophical musings.
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