Ask the Experts
   Answers to physics questions at Scientific American.
   http://www.sciam.com/askexpert_topic.cfm?topicID=13

Eric Weisstein's Treasure Trove of Physics
   Online encyclopedia of physics terms and formulas. Full searchable, and also browsable alphabetically and by topic. Part of Eric's Treasure Troves of Science.
   http://scienceworld.wolfram.com/physics/

PhysLINK
   Links to physics departments, physical societies, journals, job information, and other physics related information.
   http://www.physlink.com/

PhysOrg.com
   Physics news, semiconductor technology news, space news and a scientific forum.
   http://www.physorg.com/

Physics Central
   A page on modern physics, such as quantum mechanics and black holes, and some mathematics.
   http://www.physlib.com/

Physics News Graphics
   Diagrams (with captions) appearing in various AIP publications, sorted by category or by date.
   http://aip.org/mgr/png/

Physics Post
   A tutorial and article driven community. Votes, science news and a discussion forum.
   http://www.physicspost.com/

Physics Today
   The flagship publication of the American Institute of Physics (AIP). Provides feature articles, news stories, analyses, book and product reviews, a searchable job database, and obituaries.
   http://www.physicstoday.org/

Physics and Astronomy Classification Scheme (PACS)
   Hierarchical numbering scheme, developed by the American Institute of Physics, used to identify fields and sub-fields of physics.
   http://publish.aps.org/PACS/

Physics on MathPages
   Articles, leaning towards a mathematical description, on a wide range of topics in physics.
   http://www.mathpages.com/home/iphysics.htm

Physics.org
   Searchable database of physics resources from the Institute of Physics which matches a person's question, age and knowledge profile to handpicked sites. Also includes the Physics Life animation.
   http://physics.org

PhysicsWeb
   Physics news, jobs, equipment buyer's guide, and events.
   http://physicsweb.org/

Physnet: The Physics Departments and Documents Network
   Serves information from physics departments and institutes worldwide: departmental information, locally stored documents, authoring tools, free access journals, jobs, conferences and education material.
   http://physnet.physik.uni-oldenburg.de/PhysNet/

Scientific American - Questions That Plague Physics
   A conversation with Lawrence M. Krauss, chair of the physics department at Case Western Reserve University.
   http://genesis1.phys.cwru.edu/~krauss/0804082.pdf

The Net Advance of Physics
   MIT resource providing discussions at various levels of sophistication that cover all areas of physics.
   http://web.mit.edu/redingtn/www/netadv/welcome.html

The Physical World
   Answers to simple physics questions, from New Scientist.
   http://www.newscientist.com/lastword.ns

Usenet Physics FAQ
   sci.physics frequently asked questions with answers.
   http://math.ucr.edu/home/baez/physics/

What You Want To Know About Physics
   Summarizes in simple language, without advanced mathematics, the foundations of physics. The index gives direct access to selected topics.
   http://kr.cs.ait.ac.th/~radok/physics/

World Year of Physics 2005
   International effort to celebrate the 100th anniversary of the Miraculous Year (1905) and raise public awareness of physics.
   http://www.wyp2005.org/