Lord Kelvin’s Thunderstorm

Create high-voltage sparks using nothing more than falling water as the source of energy. Read more »
Create high-voltage sparks using nothing more than falling water as the source of energy. Read more »
This balsa wood glider catapults up with wings folded back, wings pop open and it gently glides down. Read more »
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 »
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 »