The Bullwhip
Craft your own handheld sonic boom effector.
By William Gurstelle
Pinhole Panoramic Camera
Forget the Quaker Oats carton, and go wide with this roll-film design.
By Ross Orr
The $5 Cracker Box Amplifier
Small box, big sound.
By Ed Vogel and Blind Lightnin’ Pete
Carbon Fiber
Form, lay up, and cure your own high-performance composites.
By John Wanberg
18.191.208.12