Turning Scrap Wood into a Really Useful Workbench


This project is not so much a step-by-step guide, but more of an idea. Sometimes buying something is not really the best thing to do. I have a lot of electronic test equipment and I could not find a reasonably priced desk or bench that would put everything within easy... Read more »

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 »

BEAM Solar Chariots


BEAM robot building techniques allow you to build fun and simple little robots with lots of room for stylizing. BEAM robots can move anywhere from a fraction of an inch to a couple of feet, depending on how big their capacitors are. You can also use batteries. For these two... Read more »