This module is now finished, but you might be interested in some of the links below.
Handout giving details of completing the square to get standard forms for the conics
Picture of conic sections in gif format
To download the Maple demonstration on conics right click on the link below and select `Save Link As' or `Save Target As ...' to save the file to your home directory. Then open it in Maple, choosing `Maple text' if asked when you open it. Then run it, by clicking on each line starting > in turn. For the animations, right click on initial graph and choose `play'. Please e-mail me to tell me if this works for you or not.
Conics demonstration: right click to save as above
A proof that there are only 5 convex regular polyhedra plus more, including how to make them!
General polyhedra page at Mathworld
Buckminster Fuller Genius and visionary or just some crazy guy? Follow the links to domes.
Eden project More domes.
The site above contains arguments using geometry. Is it right?