Can't run on N800 with the latest diablo:
~ $ numptyphysics X11 window =01c0000c X11 fswindow =01c00001 X11 wmwindow =01c00002 bogus level path /usr/share/numptyphysics/edit.png bogus level path /usr/share/numptyphysics/record.png top level /usr/share/numptyphysics/L05_plane_sailing.nph top level /usr/share/numptyphysics/L40_tree_of_life.nph bogus level path /usr/share/numptyphysics/next_win32.png bogus level path /usr/share/numptyphysics/paper.jpgaddLevel /usr/share/numptyphysics/L38_box.nph at 1 bogus level path /usr/share/numptyphysics/next.png bogus level path /usr/share/numptyphysics/play.png addLevel /usr/share/numptyphysics/L01_tutorial.nph at 0 addLevel /usr/share/numptyphysics/L35_pusher.nph at 2 bogus level path /usr/share/numptyphysics/theend.png addLevel /usr/share/numptyphysics/L10_the_leap.nph at 2 bogus level path /usr/share/numptyphysics/pause.pngtop level /usr/share/numptyphysics/L50_nautilus.nphaddLevel /usr/share/numptyphysics/L15_trampoline.nph at 3 addLevel /usr/share/numptyphysics/L00_title.nph at 0 addLevel /usr/share/numptyphysics/L35_pendulum.nph at 6 addLevel /usr/share/numptyphysics/L30_see_saw.nph at 5 gotoLevel 0 loaded image /usr/share/numptyphysics/paper.jpg *** CAUGHT: invalid stroke def

This program impresses people.
Great!
And the public levels approach is fantastic.
Thanks for the app!