CSTA 2026: CS teaching 2.0
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[image: Rows of teachers interlined by arms, standing, facing stage, .]We
all hold hands at the Tuesday plenary.
Over my many years of traveling to confere...
We have ducklings!
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I can’t believe it! New ducklings on July 15, and likely to be the hottest
day of the year. I’ve been watching the pond regularly, but haven’t seen a
hen f...
A Video Screen That Is Also a Camera
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Amazing:
Researchers from ETH Zurich in Switzerland, however, managed to create a
new type of pixel that can simultaneously do both. This hypercharged pi...
Twitter Thoughts For You
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I previously have written back in March 2022 about how I use Twitter, and
back in April 2023 about Twitter and its then-new algorithms, which have
changed ...
23 Responses to Economics’ Biggest-ever Question
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Economicsandthe Biophysical Limits to Economic Growth Edited by Edward
Fullbrook and Jamie Morgan For over a century economics has loosely guided
the glob...
It’s 2030 and we fucked up. How did it happen?
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[Loosely based on a lecture I gave in the recursive conference with the
same title. Don’t take “2030” literally¹—it could also be 2035 or 2040. As
always, ...
CHINA AND THE LEFT – forum transcript
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On September 25, 2025, the Platypus Affiliated Society chapter at the
Australian National University hosted a public forum on China and The Left.
The speak...
The Dollar Trap Is Breaking
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Michael Hudson and Richard Wolff argue that the Iran crisis reveals a
deeper shift: US military power, dollar dominance and Western control are
all weake...
Stratospheric Radiative Cooling from CO₂
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The stratosphere has been cooling over recent decades as atmospheric CO₂
has risen. This occurs because CO₂ in the cold, thin air of the
stratosphere bec...
Generative AI with tool calling in Scratch
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In this post, I want to share a new feature in the generative AI support in
Machine Learning for Kids: tool calling. I wrote last year about how I
introduc...
What Everyone Should Know About How Capital Works
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New article in Jacobin: In Volume 1 of Capital, Karl Marx ventures the
opinion that “classical political economy stumbles approximately onto the
true state...
The Best Summary of Atlas Shrugged
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A brief, no-fluff, summary of Atlas Shrugged by Ayn Rand. If you want to
learn how capitalist countries become socialist, this book will help you.
Let’s ...
Climate Etc. is now an archive
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Climate Etc. closed in June 2026 and this site is preserved as a read-only
archive. This feed will not update again -- visit the homepage for where to
find...
In Defense of the Marginal Baby
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This Father’s Day, I took some notes on parenting and put them together
here. The purpose of this post is to strongly advocate for people to
increment thei...
Octonions and the Standard Model
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Paul Schwahn and I have come out with a new paper about octonions and the
Standard Model: • The Standard Model gauge group from the exceptional
Jordan alge...
Retracing steps
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This is sort of a follow-up to the My journey series. In that, I talked
about learning programming on 8-bit computers, and progressing onto much
more power...
Spring 2026 PCAS Update: Recruiting a new Lecturer
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My last update on the University of Michigan’s Program in Computing for the
Arts and Sciences (PCAS) was in March 2024 (see post here). I did give some
upd...
Predictions Scorecard, 2026 January 01
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Nothing is ever as good as it first seems and nothing is ever as bad as it
first seems. — A best memory paraphrase of advice given to me by Vice
Admiral Jo...
Some thoughts about Bondi
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Why did it happen? I think that the combination of four factors (listed
below) was close to a sufficient cause. Sufficient at least to make a
terrorist att...
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