Author Archives: gmcdavid

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About gmcdavid

Retired IT professional with a wide range of interests. Married. Three sons, two with autistic-spectrum disorders and the third being transgender with Ehlers-Danlos syndrome. From Chicago but now living in the Twin Cities metro, Minnesota. Episcopalian. Carleton College (BA 1972, physics) and Stanford University (MS 1974, Applied Physics; MS 1976 Statistics).

How long can you tread water?

We had a good night’s sleep. For me it was one of the best night’s sleep ever at a colgaffneyis event. We were woken by the breakfast bell at 8AM, followed immediately by loud thunderclaps. It has been raining hard ever since.

Fortunately, our site (Jack McGowan’s farm) has a lodge house which we are able to use. We have retreated there until the rain stops, or we have to pack and go home anyway. We have some indoor activities to keep us busy. E.g., I gave a brief talk on the Gaelic languages which was well received.

Stocking the organ banks

We have a couple old computer monitors waiting to be properly recycled. Since I am finding myself more interested in electronics lately I decided to save any useful components. Following the advice here, I was well aware of the dangers. So I took a screwdriver and made a probe for discharging any lingering high voltage: Continue reading →