  |
Superconductors - http://www.superconductors.org/
A site featuring basic information such as how these materials work, types, uses, and links. |
  |
The Superconductor Collection - http://micro.magnet.fsu.edu/micro/gallery/superconductor/super.html
Illustrates how superconductors appear under a microscope. |
  |
How Semiconductors Work - http://computer.howstuffworks.com/diode.htm
Information about the properties of these materials of key importance in electronics. Also covers its manufacture and its use in transistors and chips. |