> That's an excellent find! Thanks, Jason. Reading my way through it
> right now....
> On Oct 9, 10:20 pm, Jim Rawson <taxil...@gmail.com> wrote:
> > Now that we know about stretching the polymer chains farther apart on one
> > side of the part, and squeezing them close together on the other end, we
> > can build a robot to chase Matt's robot around.