Photo from Animated Knots One of the challenges with learning knots is that it’s often difficult to interpret written directions and sometimes it’s tough to follow photos. Animated Knots by Grog has a neat collection of knot-tying animations. There are loads of variations, and the interface allows you to invert, flip, and rotate some of […]
Here is a variation on the Menocino Motor project. The Mendo Motor is a solar-powered magnetically levitating motor invented by super maker Larry Spring, of Mendocino California. This is a great project to do with high school kids. The Motor incorporates woodworking, electricity, magnestism, troubleshooting, and can also be used as a way of teaching […]
For the past couple of decades, Val has been using this knot to tie down everything from canoes, tarps and other implements of camping and boating. Last summer, I captured it on camera as he showed it to me and Mark. Whenever I see somebody driving down the road holding a mattress on the roof […]
Well Happy Pi Day to you! This little video came to me a few years ago via two alumni of my high school technology and engineering program. Math geekery made fun! The Math Forum at Drexel has some good Pi Day activities. if you are looking for some classroom resources for Pi Day, you might […]
Youtube user Petitblenderman has a great video of a Rubik’s Cube solved in a Blender animation. Danny says this looks reasonably solid. You may remember Danny’s laser cut tactile cube post by Collin. Looks pretty legit to me. The cube’s colors are all in the right place, although I was a little confused at about […]
This in from the comments: Back in the late 80s, Maarten van Gelder had already come up with a set of origami gears: Neat gears, but they only tell part of the story. Van Gelder’s work is amazing, and his commitment to help explain it is fantastic. Maarten van Gelder is a retired programmer, who […]
MAKE Flickr pool member Whymcycles has contributed a great Meatricity powered Christmas tree build. Colin pedals my Dad’s ’75 Schwinn Exceriser stationary bike..30,000+ miles, with a fixed magnet electric motor rubbing on the wheel.’ All sizes’ will show the simple clamp set up to hold the motor and the device itself to the fork leg. […]
