G4G6: Walkalong Glider

This last weekend, I attended the sixth Gathering for Gardner (G4G6) in Atlanta.

Tyler Macready (a son of Paul Macready, the designer of the Gossamer Condor and Gossamer Albatross human-powered airplanes) demonstrated his Walkalong Glider.

It's a paper airplane that stays up in the air if only you'll take the trouble of walking behind it with your hands over your head:

The plane hovered about 5 inches over Tyler's hands as he walked down the center of the conference room:

Video (7 second MPG, 700K). Here's another photo.