DARPA Was Building Cyborg Moths in 2009. Somehow This Is Relevant to My Fruit Fly Experiment.
I have been spending an unreasonable amount of time asking what happens when you give an insect brain something biology never gave it: persistent ex…
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The Real Fruit Fly Brain Told Me Where I Was Cheating
The first part of this series used a deliberately tiny fake brain. A 64-neuron recurrent network. That was useful because I could control every assu…
What Happens When You Merge Two Artificial Individuals?
Two individuals from the swap. Identical brain architecture, the same sensory world, conflicting answer keys. Each one is competent in its own world…
Is Memory the Individual?
In Post 2, I destroyed the substrate and watched what came back. A skill learned through plasticity died with the brain that held it. But an externa…
I Gave a Simulated Connectome External Memory. Then I Killed the Brain.
In Post 1, I asked what happens if a connectome gets an external memory it never queries. Here I built a tiny honest version and ran it. The questio…
What Happens If You Give a Fruit Fly Brain External Memory?
Google Research and its collaborators mapped the male fruit fly nervous system: roughly 166,700 neurons and 125 million synaptic connections. Then s…
Salt, spikes, and three thermostats — the neuromodules of a numpy organism
The follow-up to the no-LLM experiment: every neuromodule under the loops. How a spike is born, where homeostasis lives, what the stem multiplies, a…
The False ROI of Fear: Why Threat-Based Management Destroys Engineering Velocity
Threat-based management is a systemic failure masquerading as operational rigor. When leaders manage exclusively by highlighting errors, they trigge…
I Rebuilt My Courses on the Science of Learning (2026)
I had already built the courses. Interactive, with a live code editor, quizzes, diagrams, bilingual. I was rather proud of them. Then I read an MIT…
The Engineering of Resilience: How "Desirable Difficulties" and Neurobiological Adaptation Build High-Velocity Founders
The research behind "desirable difficulties," stress inoculation, and why chronic adversity is not the founder advantage many people think it is. Th…
Do You Really Replace Every Cell Every 7 Years? The Biology and the Ship of Theseus
TL;DR : No, you do not replace every cell every seven years. Your body turns over roughly 330 billion cells a day, about 1 percent of its ~30 trilli…
The Man Who Studied the Hippocampus Is Telling You What's Missing
The Man Who Studied the Hippocampus Is Telling You What's Missing In a recent conversation with Y Combinator's Garry Tan, Google DeepMind CEO Demis…
Building a Brain in Pure Python
This post originally appeared on Medium . Cross-posting it here for the dev.to community. Six months ago I gave myself a challenge: build the entire…
I ran an fMRI on LLMs: a concept is a direction, not a region
TL;DR I've been running an "fMRI for LLMs" — capturing the full internal activations of dense open models (Qwen2.5-7B, Gemma-2-9B, Gemma-4-12B) and…
The Neuroscientist Who Proved That Pure Reason Can't Make Decisions — and What That Means for AI
In the early 1990s, António Damasio had a patient named Elliot. Elliot was intelligent. His IQ was intact. His memory was fine. He could analyze sit…