Tiny Wanderer


In early 2011 my robot club, the Dallas Personal Robotics Group, was looking for a way to help our beginning members build up their skills. To this end, we produced a series of lessons covering 5 topics needed to make a simple, programmable robot: making PCBs with the toner transfer... 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 »

Cardboard Cat Rocket


No matter how many fancy cat toys they have, there is nothing in this world that makes my cats happier than a good old fashioned cardboard box. So, taking a cue from them, I designed a cat tree that turns four regular cardboard boxes into a flashy two-story cat rocket,... Read more »

The “Discreet Companion” Ladies’ Raygun

Lady's Ray-Gun

Torch lighters are handy, cheap, and easy to find. They come in a wide variety of shapes and styles, so there’s room for customizing to your personal taste. I normally modify mine with antique parts, but here I chose parts that you can get in most hardware and home stores.... Read more »

The Drill Rod


I have a 25′ cruising tugboat in Florida, and I wanted a small, lightweight ride that I could keep onboard for making beer and ice runs when I pull into a marina. After seeing a short segment on TV about a cordless-drill-powered bike at a hardware convention, I decided to... Read more »

Teleclaw: Remote Robot Gripper

Image (6) teleclaw-600x450.jpg for post 104855

It might have been Robots of Saturn that first got my young brain thinking about building a mechanical man. In that obscure 1962 sci-fi adventure novel, Dig Allen and his fellow teenage space explorers transfer their thoughts into the bodies of teleoperated robots to mine Saturn’s dangerous rings for precious... Read more »