Fluids

» How Semiconductors Work    Information about the properties of these materials of key importance in electronics. Also covers its manufacture and its use in transistors and chips.    http://computer.howstuffworks.com/diode.htm

» Superconductors    A site featuring basic information such as how these materials work, types, uses, and links.    http://www.superconductors.org/

» The Superconductor Collection    Illustrates how superconductors appear under a microscope.    http://micro.magnet.fsu.edu/micro/gallery/superconductor/super.html