http://www.youtube.com/watch?v=2wuTyPEpJ0g
Harry On Tue, Jun 18, 2013 at 8:50 PM, Jones Beene <jone...@pacbell.net> wrote: > > The macro version appears to be a Rodin coil > > http://peswiki.com/images/5/5a/Rodin_coil_torus_jp70.jpg > > > -----Original Message----- > From: Terry Blanton? > http://en.wikipedia.org/wiki/Gordian_Knot > > Axil Axil wrote: > http://hopfion.com/ > > > > >
