The Jet Pack - A New Type of Tender

The company, which has successfully taken its prototype to 3,500 feet and—safely—­returned the craft and its test pilot back down to earth.

Lightweight and strong, readers of this magazine will be familiar with how its superstructure is constructed: resin infusion and vacuum bagging. Lift is produced by drawing air into ducts, accelerating it via rotors, and then directing it downward. martinjetpack.com.