Lumia Lunchbox Laser

Back in the 1970s, my friend Wayne Gillis and I used to do light shows at science fiction conventions. We had the usual panoply of overhead, slide, and custom-made projectors, and a single, very expensive, helium-neon laser from Edmund Scientific. Calling ourselves Light Opera, and later, Illuminatus, we performed at... Read more »

Pendulum Challenge Build

This guide is intended to show you how to build the Pendulum Challenge Kit from the Maker Shed. The build involves soldering and should take less than half an hour. This is a good, fun project for beginners that is as fun to build as it is to play. Read more »

Speed Vest

This lightweight night-cycling vest displays your current speed in glowing, 7-inch-tall numbers easily visible to cars. Read more »

Lunchbox Laser Shows

Back in the 1970s, my friend Wayne Gillis and I used to do light shows at science fiction conventions. We had the usual panoply of overhead, slide, and custom-made projectors, and a single, very expensive, helium-neon laser from Edmund Scientific. Calling ourselves Light Opera, and later, Illuminatus, we performed at... Read more »