Thanks, Bruce -- I notice when I make the view smaller, then I see all balls as rotating counterclockwise, with the top violet end faster, as a spinning spiral staircase becomes a double helix...
Rich Murray ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org
