A bit old, but because I read your fine article on “Descent Time on Curved Inclines” in MathAMATYC Educator recently I found in your bio to the piece this web site. I particularly enjoyed your Escherlike or Penroselike imagery here in Recurrinthine. Obviously, you enjoy your conceptual pen and ink drawings. I know I did. thank you.
A bit old, but because I read your fine article on “Descent Time on Curved Inclines” in MathAMATYC Educator recently I found in your bio to the piece this web site. I particularly enjoyed your Escherlike or Penroselike imagery here in Recurrinthine. Obviously, you enjoy your conceptual pen and ink drawings. I know I did. thank you.