File talk:Conic sections.svg

The light blue hyperbolic section on the left upper part disturbs me. It should continue on the lower part as well. :-D Editor at RWwas rooting for HD DVD 17:40, 17 February 2008 (EST)
 * Oh yes. --Linus (plot evil tech) 18:10, 17 February 2008 (EST)

Isn't there a specific theory of geometry that uses this approach? Ah, can't remember it's name... -- 19:46, 18 February 2008 (EST)