A Touchless 3D Tracking Interface
Create a 3D touchless interface with Arduino, six resistors, and some aluminum foil!
Alligator clips
Simple Electric Motor
Everybody thinks that you could just buy a motor at a hobby shop, but here’s how to make your own, preferably for science fairs.
The Wimshurst Influence Machine
When assembling a proper laboratory, the gentleman or lady experimenter should be sure to include a Wimshurst electrostatic generating machine. This device will serve tirelessly in investigations into the field of natural philosophy, and provide interesting parlor games such as the “electric kiss.” Herein we will demonstrate the construction of such a spectacular device, with […]
Circuit-Bend Your Casio SK Keyboard
By Cristiana Yambo and Sebastian Boaz The easiest way to start circuit bending is “playing open circuits.” That’s where you open up an audio device and use your hands or alligator clips to mess with the board inside and see what it sounds like. But it’s almost as easy to permanently “bend” any suitable device […]
Hydrogen-Oxygen Bottle Rocket
Use electricity to split tap water into hydrogen and oxygen gases, then use this explosive gas mixture to power a two-stage, electronically timed rocket.
