Physics resources

• Chemical and physical properties in Perkins Libraries
• Einet (Galaxy -- Physics)
• Einstein Archives
• Eric Weisstein's World of Physics
  
• International critical tables of numerical data, physics, chemistry, and technology.
• Measure 4 measure, estimating, calculating, evaluating, converting....
• MetaPhys, Physics Document Meta Search Engine
• The Net Advance in Physics
• NIST: Physical reference data (includes physical constants, atomic spectroscopic data, molecular spectroscopic data, ionization data, X-ray and gamma-ray data, radiation dosimetry data, nuclear physics data, condensed matter data)
• Nobel Foundation
• Nuclear Research Reactors in the World (Links users to an image database, information on nuclear energy, safety and standards, and research and isotopes)
• Periodic table
• Physical Sciences Resource Center
• Physics Today: Job Opportunities
• PhysicsWeb
• Smithsonian physical tables
• LBNL Isotopes Projecct
• Table of new nuclear moments
• Thermodex (guide to reference handbooks and searchable by property or by chemical class)
• Virtual Physics Laboratory
• WWW Virtual Library: Physics
• Yahoo: complex systems
• Yahoo: Physics
• Zahlenwerte und Funktionen aus Naturwissenschaften und Technik (Numerical data and functional relationships in science and technology.) [Landolt-Bornstein] Gruppe I; Gruppe II; Gruppe III; Gruppe IV; Gruppe V; Gruppe VI; Gruppe VII; Gruppe VIII

Optics

• Optics.org (SPIE and IoP collaboration on industry information with Buyer's Guide, an online technical library (citations and abstracts), recruitment service).

Particle physics

• Online particle physics information
• The Particle Adventure
• An Introduction to particle physics
• Particle Data Group
• Interactions: Particle Physics News and Resources