Planes and Trains and Polyhedra

IMAG0213

By , 12/23/2013 @ 4:06 pm= | Full size is 434 × 640 pixels

  • Date Taken: 16-Dec-2013 13:00:04
  • Camera: HTC One
  • Focal Length: 3.82mm
  • Aperture: f/2
  • ISO: 140

Executive Director, Museum of Mathematics