Mobius hinges are excellent because the flex strips only
have one side, thus forcing motion in just two dimensions
instead of three. Likewise, ball bearings fashioned from
Klein bottles would probably be quite innovative, and
I think somebody should do it.

A. E. Neuman

On Mon, 25 Nov 2002 23:30:02 -0600 "Randall Pratt" 
writes:
[redacted]








Mobius hinges are excellent because the flex strips only
have one side, thus forcing motion in just two dimensions
instead of three. Likewise, ball bearings fashioned from
Klein bottles would probably be quite innovative, and
I think somebody should do it.
 
A. E. Neuman
 
On Mon, 25 Nov 2002 23:30:02 -0600 "Randall Pratt" <rpratt@.............> writes:

  

  
[redacted]
  
 

  
  Do the proponents have anything to offer regarding=20
  design?