[math-fun] was: 3D printers & musical instruments; now is: formerly 3D printers & musical instruments
25 Jul
2018
25 Jul
'18
6:11 p.m.
----- Airplanes don't have feathers. ----- It's interesting that, mathematically, this is just the dual of ----- Down pillows don't fly. ----- —Dan
2676
Age (days ago)
2676
Last active (days ago)
0 comments
1 participants
participants (1)
-
Dan Asimov