Tag Archives: public

Energy Efficiency and Economics at Walnut Mews

Our condo HOA had a meeting last fall, and somebody brought up selling the flat plate collectors on the roof that are part of our defunct solar thermal hot water system.  The 750 gallon cylindrical storage tank rusted out in … Continue reading

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A dispatch from the future

A firsthand account of the floods in Queensland.  Australia has been living in the (climatic) future for some time, facing the prospect of desalinization plants and admitting that most of their agriculture is not viable, given soil both saline and … Continue reading

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German Passive House building robots

A short video from German home fabricator Hanse House.  They do both stock and custom homes, but both are fabricated off-site.  The video shows their production facility, and some of the techniques for putting together a building in pieces.  It’s … Continue reading

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Boulder’s Passive Aggressive Building Standards

Usually when people say that “better is the enemy of good enough”, they’re pointing out that striving for perfection can be a distraction from just getting the job at hand done.  There are other dynamics that involve these concepts too.  … Continue reading

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The Yeti Homeland Project

I’m not sure what to make of our willingness to participate in the terraforming of the Earth.  To explore it, I’ll consider an alternative history in which Antarctica was marginally habitable, and colonized a million years ago by woolly hominids … Continue reading

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A Thousand Splendid Power Plants

Xcel Energy’s Valmont East Terraforming Station in Boulder, CO. As a side effect, it powers all the lights you see in the background. James Watt’s industrial revolution was fired by coal, is fired by coal, and shall be fired by … Continue reading

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For Richer or for Poorer: How Much is “Enough”?

I am wearing a sweater.  It was made in Italy, from some of the fuzziest sheepies on the planet.  New it cost more than $100; I know because it had the original tags on it when I bought it, never … Continue reading

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Nils Gilman and Deviant Globalization: The Graying of the Markets

We watched a Long Now talk last night by Nils Gilman, entitled Deviant Globalization.  I first ran across Gilman in a shorter talk from a couple of years ago about the global illicit economy — black markets.  He describes deviant … Continue reading

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Empirical Investing

In my previous post I described the stock and bond markets by analogy with a casino, but you might reasonably question the validity of that analogy.  Are market returns really as unpredictable as coin flips?  The real payoff probability distributions … Continue reading

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An Introduction to Retirement Investing for Scientists

After spending a number of afternoons and evenings with friends and family over the last few months reviewing their retirement planning and investments, I’ve gone and done something a little bit crazy: I suggested to the GSC at Caltech that … Continue reading

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