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An Exercise in Middle Woodland Geometry VI
To say that a culture reaches fluorescence is to say that a culture acts like a flower, it builds up to some monumental or beautiful peak
Jan 2438 min read


An Exercise in Middle Woodland Geometry IV
For thousands of years before European contact, the peoples of eastern North America have lived along the banks of the region's many rivers.
Sep 11, 202466 min read

What is Choice?
The fact that humans do not make purely rational decisions has been established in psychology and is taken as a set of constraints or bounds
Sep 8, 202314 min read


Mound Builders of Ohio: Part 1
The Hopewell culture culminates in a history that goes back thousands of years.
Jun 10, 202319 min read


Mastodon Posts
Last 5 months' posts on Mastodon
Apr 30, 20237 min read

What is the Dawn Chorus?
For diurnal animals, dawn and dusk are special times.
Apr 2, 202312 min read

What is a Chair?
… and what does it have to do with a crow using a tool or the origin of life?
Jan 13, 202316 min read

Complexity, Cooperation, and the Individual
As humans, we live inside our little heads and we have this illusion that we are separate from the world and our bodies.
Nov 24, 202222 min read


Coherent Structures: Part 2 – Gels
The inside of a biological cell is considered a gel.
Aug 26, 202210 min read


Coherent Structures: Part 1, Clouds and Ocean Vortexes
Humans are excellent at seeing patterns and categorizing what they see. Some are only imagination, others form the basis of our science.
Jun 18, 202214 min read


Human Consciousness, Theory of Mind, and Smart Animals
Whether consciousness or language in humans came first is an open question.
Apr 24, 202217 min read

Bitcoin is Shitcoin Part II
How does a technology supposedly based on the expansion of human freedom need an autocrat to force people to use it?
Jan 24, 202212 min read


Is Oumuamua a seed?
Oumuamua is the first confirmed interstellar object.
Nov 6, 20218 min read

Bitcoin is Shitcoin
This is the techno libertarian ideal. Which will hold true? What could possibly go wrong?
Jul 31, 20215 min read


Simple Economy
A NetLogo model of a simple economy has a surprising result of inequality.
Apr 9, 20211 min read

Dynamic Systems and Modeling
A dynamic system is a set of mathematical equations in which one or more variables change according to time.
Nov 16, 20207 min read

Introduction to Turing Patterns
During the 1930s and 1940s a group of scientists tried to reconcile the newly rediscovered Mendelian genetics with Darwin's theory of...
Aug 21, 20209 min read
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