Lord Kelvin’s Thunderstorm
Create high-voltage sparks using nothing more than falling water as the source of energy. Read more »
Optical Tremolo Box
Folding-Wing Glider: Rockets Up … Glides Down!
This balsa wood glider catapults up with wings folded back, wings pop open and it gently glides down. Read more »
Chladni Plate
Use a broken speaker, bits of wire, and tape to prepare a coneless voice coil driver, then use it to generate standing waves on a sheet of metal, making sound visible. Magic! My knowledgeable friend Robin once said that you don’t need to worry about having too big an audio... Read more »
The Flame Tube
Fiery devices have always fascinated me. From Jam Jar Jets (MAKE Volume 05) to Fire Pistons (Volume 19) to Faux Flames (Volume 25), I’ve built all sorts of fire-related projects. So when a friend told me about a device that lets you visualize sounds using fire, I knew I had... Read more »
