10 yo boy and 8 yo girl disassemble, troubleshoot a loose wire, and reassemble the XO - visit link to joel's blog to see video and read more description
Monday Message Board
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Another Monday Message Board. Post comments on any topic. Civil discussion
and no coarse language please. Side discussions and idees fixes to the
sandpits,...
Here’s the viper!
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OMG this didn’t get posted again. Well, better late than never! Did you
spot the viper in this morning’s post? Here it is, circled, and below this
photo th...
Upcoming Speaking Engagements
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This is a current list of where and when I am scheduled to speak:
- I’m speaking and signing books at the Cambridge Public Library on
October 22, 2...
Life on Mars
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On September 10, 2025, NASA announced (again) that it had found potential
evidence for life on Mars. A few people asked me about it, so I’m dusting
off (an...
Sierra Club talk that may be of interest
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One of the chapters of the Sierra Club of Minnesota has asked Joseph
Tainter and me to give talks on October 25 at what is being billed as
Minnesota's Firs...
When Most of the World Says No
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Fresh from the September 2–3 SCO meetings in China, Eurasia is codifying a
multipolar order: dedollarized trade, alternative payment rails, secure
transp...
Goodbye Frank
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Last week Friday my colleague, business partner, friend of 15 years, Frank
Verschoor passed away. As I, we, as a team at the company we founded
together, k...
Quantum Information Supremacy
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I’m thrilled that our paper entitled Demonstrating an unconditional
separation between quantum and classical information resources, based on a
collaboratio...
Precarity and the Point of No Return
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*Or maybe it's just me, and all is well. Time will tell. *
*I often wonder if others feel the precarity of this era, or is it just me?*
It's hard to tell,...
Categories for Public Health Modeling
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A while back, our team wrote a paper explaining the advantages of
categorical methods in public health modeling: • John Baez, Xiaoyan Li,
Sophie Libkind, N...
Lulu Cheng Meservey: How To Build A Cult
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Lulu Cheng Meservey is one of the sharpest minds in communications and
strategy. She has helped some of the best leaders through their hardest
moments. W...
The Final Step of the Scientific Method
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An ideology that cannot be defended by means of evidence and deductive
logic, will inevitably be enforced by violence. You shall know them by
their habit: ...
CS 2881: AI Safety
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The webpage for my AI safety course is on
https://boazbk.github.io/mltheoryseminar/ including homework zero, video of
first lecture and slides. Future blog...
Ideology and misdirection
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I remember the shock of recognition I got reading liberal Raymond Aron’s
critique of Hayek’s The Constitution of Liberty. The ideal of a society in
which e...
AI: great expectations
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This time around I decided on a guest column. The guest is a 37 years ago
younger me, and this post is one that I wrote in for Manufacturing
Engineering in...
What have I done?? No doubt a terrible thing!
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I never forgot this cartoon strip that I first encountered in my first year
at La Trobe University, Melbourne, in 1969. I was pleased to recently
rediscove...
Fun things to do with Strava
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Ninety-nine percent of the time, I think of Strava as a running app. But
every now and then, I do something a bit different with it. Here are a few
example...
Fractured bones, fractured mind
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[image: Two x-rays, one showing lungs, the other showing a displaced and
fractured right clavicle.]Pretty pictures of my broken torso.
Five weeks ago my bi...
Good News Ukraine.
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Sorting out the real situation in the Russo Ukrainian war
https://billkerr1947.github.io/ukraineWar/ “Artillery Conquers, Infantry
Occupies” and drones are...
Papert’s 8 Big Ideas (Lithuanian Translation)
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Translation by Marius Narvilas Aštuonios didžiosios konstrukcionizmo
idÄ—jos Dr Seymour Papert 1999 Pirmoji idÄ—ja – mokytis darant. Visada
išmokstama ger...
Marble Maze Modules
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Beyond the Marble: How Modular Mazes Build Skills and Spark Wonder Building
a marble maze is more than just a fun challenge—it’s a gateway to exploring
a w...
Lifespan extension: separating fact from fiction
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Thinking about longevity practically is a tricky affair. On the one hand,
we have very little definitive knowledge about how to prolong your healthy
years ...
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Building An Inexpensive Robot With micro:bit
I just released the source code and a tutorial on building a remote
controlled robot using the micro:bit.
T...
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