DIY Projects

EKG-controlled Game of Life hoodie

EKG-controlled Game of Life hoodie

Joe Saavedra writes: The concept is a wearable version of Conway’s Game of Life, that is controlled by the current state of your life. Essentially, a wearable extension of your heart, externalized in the form of Conway’s Life. A custom circuit includes an infrared EKG monitor that resets the Game each time a heartbeat is […]

DIY yurt made out of trash

DIY yurt made out of trash

Niki Raapana designed a DIY shelter called a Gertee. Gertees are round houses made of sticks and poles tied together with zipties and covered with cloth or other materials. Each one is as unique as the owner who builds it. All ger/yurts can be tailor made to fit any kind of budget. Many builders world-wide […]

Lost Knowledge: Sign painting

Lost Knowledge: Sign painting

The Lost Knowledge column explores the possible technology of the future in the forgotten ideas of the past (and those just slightly off to the side). Every other Wednesday, we look at retro-tech, “lost” technology, and the make-do, improvised “street tech” of village artisans and tradespeople from around the globe. “Lost Knowledge” was also the […]

Pen-shaking centrifuge

Matthias Wandel made this rather tongue-in-cheek invention to help him shake pens. Using my gear template generator program, I was able to establish that a three-tooth lantern against a mating cycloid shaped gear should just barely work smoothly. I wanted a high gear ratio for my pen centrifuge, so this was a good place to […]