Useless Gifts

[autographedcat]

I'm thinking of putting together a web page of Useless Gift Ideas. Here's one that would go on it.


Klein Bottle Drinking Mug

Isn't that just ENTIRELY too cool?

Comments

an interesting question....

[kitanzi.livejournal.com]

I know I had this linked from my old pages - I should mine through there and find other fun stuff to show you. :) The interesting question, however, is how to calculate the volume of a Klein Bottle Drinking Mug?