ylle writes "I had to laugh when I found this webpage. If I only had found this before Christmas I know what I would have wished for. It's an amazing bargain; "You can convert your Acme Klein Bottle into an astonishing amount of energy, over 1023 ergs! Enough to power a small city for years. To get you started, we'll supply the necessary equation for free." " I was looking for a zero volume vessel just the other day. Ah well, its just wierd: enjoy it.