Electromagnetic Aluminum Levitator

About 13 years ago I learned of some military research into a satellite- and missile-defense device that would propel projectiles using Lenz’s law, which governs the direction of electrical current induced by a changing magnetic field. I decided to make a little gadget based on the same principle for my... Read more »

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... Read more »

The Florence Siphon

The vacuum siphon coffee brewing method dates back to the 1840s. It produces some of the cleanest, smoothest-tasting coffee of any method. Commercial vacuum pots are available, but I wanted to heighten the drama of vacuum brewing by taking it into the realm of the mad scientist’s lab. Thus the... Read more »

No-Holes Poster/Quilt Hanger

I’m a great admirer of Jørgen Møller’s Posterhänger design. It’s great for those in-between prints that are too valuable to put thumbtacks through, but not valuable enough to have framed. Plus it’s considerably cheaper than framing, and looks a lot better than thumbtacks. Plus, it’s easier on your walls, requiring... Read more »