North Coast News

Green modular, part 4: Wood, and toxic waste
2019 Feb 22nd

Green modular, part 4: Wood, and toxic waste

In this part of the Green Modular series, I'd like to talk about wood, and toxic waste. Part 1 focused mostly on saving energy; in parts 2 and 3 I wrote about metals, and some of the environmental issues related to metals are caused by their t…

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Nucleosynthesis
2017 Oct 8th

Nucleosynthesis

Here's a diagram of something called the CNO process, encompassing many of the nuclear reactions by which stars shine. I thought it would be fun to "sonify" the CNO process by building some kind of simulation of a star and making it generate…

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Circuit board shopping
2017 Sep 10th

Circuit board shopping

This week I'm planning to order the prototype boards for the Leapfrog Filter, and it makes a good opportunity to go through some common questions beginners ask about shopping for PCBs. When you go to buy PCB production services you're typically hit w…

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