This is a fun alternative to paper airplanes. It demonstrates the “Magnus” effect.

This is the effect that makes a ball curve in baseball with a curveball pitch. When the ball is thrown, it is also

spun. With the Magnus glider you create a glider from taping two foam or paper cups together, then wind a

long rubber band around them that will be released when you pitch your glider model forward. This spins the

cups while you are throwing them. This tends to make the glider move slightly away from the direction you