Eric's Treasure Trove of Physics

Lucent Technologies - 50 Years of the Transistor

NIST Standard Reference Data Products Catalog

Modern Physics Sites

Fundamental Physical Constants from NIST

Introduction to the Fundamental Physical Constants

Table of the Nuclides

The Why Files
Views of the Solar System
BASS 2000 - High Resolution Solar spectrum Type in a wavelength range and see that portion of the spectrum.
Solar images at SDAC Get images of the sun for any date in the past year. Track sunspots and get the rotational rate of the sun!
Space Telescope Science Institute Home Page Hubble telescope images
Digitized Sky Survey

Particle Data Group Data on particle physics
TIPTOP Welcome Page

The Why Files

American Institute of Physics
American Physical Society

Visual Quantum Mechanics

STM Image Gallery STM images of atoms and crystals. 

Usenet Physics FAQ
Relativity FAQ
The Light Cone - An Illuminating Introduction to Relativity

Scientific American Ask the Experts

History of Mathematics

Stephen Hawking's Universe

Quantum Magazine Home Page

Eric's Treasure Trove of Mathematics is a "reference work which is able to communicate mathematical and physics concepts to non-professionals." This encyclopedia of mathematics will sometimes be incomplete or too advanced, but will just as often have exactly the answer and detail you desire.

Science made stupid's conversion tables.

Can you join the 1000-club (memorize 1000 digits of Pi) or the 100-club (memorize 100 digits of Pi)? Geek on!