Something I ran across when I was doing a project for physics.
http://www.solar-components.com/aqua.htm#Conical
The conical ones are a little steep ($$$) but if you scroll down the page the flat bottoms seem reasonable. And since they are transparent I can think of all kinds of neat lighting effects you can do.
http://www.solar-components.com/aqua.htm#Conical
The conical ones are a little steep ($$$) but if you scroll down the page the flat bottoms seem reasonable. And since they are transparent I can think of all kinds of neat lighting effects you can do.