Bentor, Yinon. Chemical Element.com. Jul. 19, 2000
Kotz, John C., and Paul Treichel, Jr. Chemistry and Chemical Reactivity, (Third Edition).
United States: Saunders College Publishing, 1996, 1991, and 1987.
Jespersen, Neil D. Barron's AP Chemistry: Advanced Placement Examination, (Second Edition).
New York: Barron's Educational Series, Inc., 1999, 1995.
The Merck Index (2nd Edition): An Encyclopedia of Chemicals, Drugs, and Biologicals.
Ed. Susan Budavari. Rahway: Merck & Co., Inc. 1989
The NBS Tables of Chemical Thermodynamic Properties:
Selected values for inorganic and Cl and C organic substances in SI units.
American Chemical Society and the American Institute of Physics for the
National Bureau of Standards, 1982.
This source is pure scientific data.
Space Shuttle, Apollo liftoff, and Earthrise images found in the introductory movie available from the NASA hompage. http://www.nasa.gov. NASA has released copyright considerations to these pictures and more in their database.
"NASA images generally are not copyrighted. You may use NASA imagery, video and audio material for educational or informational purposes, including photo collections, textbooks, public exhibits and Internet Web pages. This general permission does not include the NASA insignia logo (the blue "meatball" insignia), the NASA logotype (the red "worm" logo) and the NASA seal. These images may not be used by persons who are not NASA employees or on products (including Web pages) that are not NASA sponsored."
Sun picture found in the introductory movie is part of a Corel clipart archive licensed by Greg Martin and, as such, is public domain.
Shot Baker picture (nuclear detonation) found in the introductory movie part of The High Energy Weapons Archive available at http://www.fas.org/nuke/hew/Usa/Tests/index.html. This image, and all the others found in the Archive, are believed by the author not to be under copyright.
"Those [images] not obtained directly from the above sources were scanned from
various publications, the images themselves are believed not to be under
Nearly all of them were taken by government photographers, except one or two
which are noted. (not the one we used)
They are all believed to be in the public domain."
ALL other graphics layout, titles, animations, etc. in this site (excluding the few addressed above) were either drawn by or derived from photographs taken by our resident graphic artist, Greg Martin, save for a few diagrams in the Atoms and Molecules sections that were created by Darren). All of the Flash animations were made using Macromedia Flash™ 4.0.