Education Technology
Free Downloadable Resistor Value Computer

OK, so, it’s not really that hard to learn to read a resistor without a special tool, but ever since I saw the free downloadable nuclear bomb effects computer I have had a soft spot for these circular slide rules. And this one from Rob Ives might make a cool gift for a young maker to get him or her painlessly over the hump. [Thanks, Rob!]


I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

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