On Sun, 17 May 2009 14:09:26 -0500, Richard Casady
wrote:

On Sat, 16 May 2009 15:31:39 -0500, lid wrote:

Granted, some things ween't
its fault (like hitting a bowling ball at high speed for instance. I
didn't even know a bowling ball could float!)

The things are made of cork, with a thick skin of hard rubber.

Not any more - the cores are asymetrical ceramic/mineral/metal
composites and the covers are some kind of polyethelene.

Don't know if they float.