Planes and Trains and Polyhedra

IMAG0114

By , 12/23/2013 @ 4:01 pm= | Full size is 640 × 337 pixels

  • Date Taken: 13-Aug-2013 20:08:39
  • Camera: HTC One
  • Focal Length: 3.82mm
  • Aperture: f/2
  • ISO: 101

Executive Director, Museum of Mathematics