I will be applying to be an exhibit to Pittsburgh’s Mini Maker Faire. I hope you are, too. Here’s
a site that tells you how to make an interactive exhibit
More evidence of my hackery, Calcubot Jr. I’m going to have to make measurements soon. Will have to go to school on Belsey’s Instructable.
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Proof-of-Concept. #counting #calculating No measuring. Needs to be reinforced at bottom or a separate foot track needs to be built. You never forget your first bot.
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Spotted at the Children’s Museum of Pittsburgh at a Kids and Creativity event. I’m going to have to make one of these. According to Christian at the electronics station, the pick-up is made with a magnet, a coil, and, as you can see here, a bottle cap.
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I used an NPN transistor, a resistor, and an LED for a circuit that’s completed with my own conductivity. #counting #calculating
Just finished watching Between the Folds, a gem of a documentary about origami. Lots of stuff about the art and science, the emotion and technique, and the history and trajectory of paper folding.
The documentary ends with a profile of MIT Professor Erik Demaine, who linkage computer maker Xiaoji Chen calls the “happiest genius in the world.”
I can see how one enthusiasm leads to another for Demaine: math, paper folding, genetics, and glass blowing — well, I’m not sure how the glass blowing fits in . . . but Demaine says it’s all about having fun. Maybe fun will lead to a cure for cancer as Demaine and others figure out how and why proteins fold, or maybe to nano computers in space.
I guess I should fold some paper while I’m inspired, but I’m more interested in approximating logarithms with musical scales.
Went to hear Doug present on how to use a slide rule at HackPgh last night. 
I found out how to use the scales for finding squares, square roots, cubes and cubed roots. I also learned that with the bigger slide rules there is no end of exponentiation.
I’m most interested in slide rules with elliptical functions. Pictured is a specialty slide rule for doing duct work.
