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I finally got a Cambridge library card. This seems slow -- I've been bouncing around here for almost 3 months. Then again, the key word there is 'bouncing', I've only had conventional documentation of residence for the past two weeks. I was given a choice of conventional card or keychain card, opted for the latter for novelty and convenience. Starting to get a lot of those... I was told spontaneously where the computers are, and that they were in the old building, which might be nice to look at. And it was nice to look at. All the new SF I looked up was in the system, as was the Spirit Level. Not all of it was on the shelf, especially Surface Detail which was supposed to be on the shelf. Still, I walked away with 4 hardcovers.

A friend has apparently outpaced me in intuitive grasp of Celsius, so I've been working on that the past couple of days. Got Wunderground to display Celsius (classic mode can show English and metric units), and as I walked to Vericon Sunday thought about the scale. I'd already memorized every 10 Celsius in a useful range, but I'm still translating to Fahrenheit. But now I know that 21-22 is the ideal comfort range, 18-23 is broader comfort (so obvious 17 would be cool but still good, to refer back to our conversation), 37 is body temp and way too hot. 0 is freezing of course, though it has cognitive conflict with 0 F being really damn freezing.

What I particularly figured are the jumps. See, every 10 F can be thought of as a minor layer change or increase in discomfort. 10 to 20, 20 to 30, 30 to 40, 60 to 70, 75 to 85, etc. If you have the ideal clothing and activity for temp X, you can probably get by in X-10 or X+10 with discomfort but not danger. And that's about 5 C. OTOH, a delta of 20 F is major clothing/behavior change or danger. 10 to 30 -- both need warm clothes, but 10 F needs more thorough bundling, you can't skimp. 30 to 50, 20 to 40, 50 to 70, 70 to 90. And that's about 10 C. So this should help transtion, where I can at least relate an unfamiliar C temp to more familiar ones, rather than translating to F.

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Damien Sullivan
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