I made airplanes and helicopters from paper starting in about 1961 or so. Once, in 7th grade home room, the teacher was out of the room, a 2nd floor classroom in a very old building with windows ...

Paper airplanes have a number of key advantages that make them the perfect way to experiment with aerodynamics. Paper is cheap and in abundance, so it is not difficult to get a lot of it to create ...

One pound of air displaces about 13.07 cubic feet of volume at sea level. If one pound of air is traveling 75 mph in a wind tunnel, it would have 110 pounds of inertia.

Paper airplanes have a number of key advantages that make them the perfect way to experiment with aerodynamics. Paper is cheap and in abundance, so it is not difficult to get a lot of it to create ...