Depends on what you mean by inside-out! It certainly doesn't look as if it
has been achieved in the way expected. Certainly the inside can be made to
be outside. It is no longer a tube inside-out as expected!
Best Wishes Brian
"martin" wrote in message
...
On Sun, 2 May 2004 17:26:25 +0100, "Brian"
wrote:

Turning an inner tube inside-out from a slit is of course possible and
produces the most totally unexpected mathematical shape called a .
Quite unbelievable.

It is of course impossible.