MMartin Bowling4d ago · 5 min readThe Celebrity Neuron Is Not a NeuronI wanted to know if you can make Qwen3.5-4B believe it is a celebrity. The answer is: you can, but not with a single neuron, and not for every kind of celebrity. Single neurons and three-neuron trios martinbowling.com
MMartin Bowling5d ago · 10 min readI Audited the Viral Qwen Neuron ZooThe viral Qwen Neuron Zoo poster makes a very stupid, very compelling claim: push one MLP neuron in Qwen3.5-4B and the model becomes Jesus, a cartoon mascot, or a creature that can only talk about coomartinbowling.com
MMartin Bowling4d ago · 5 min readThree-Neuron BangersSingle neurons are fun. Combinations are where it gets weird. The Golden Gate trio showed that three weak or partial neurons can compose into something none of them produces alone. So I ran ten more tmartinbowling.com
EEkansh NangiaSep 17 · 18 min readIntroduction To Mechanistic InterpretabilityEpistemology Epistemology is the branch of philosophy thats concerned with the nature and limits of knowledge. What knowledge actually is, how we get it, and how we tell the difference between somethiekanshn.hashnode.dev
RReid MarlowJul 11 · 6 min readAnthropic Found the Hidden Space Where Claude Thinks. It's Weirder Than You'd Think.Anthropic Found the Hidden Space Where Claude Thinks. It's Weirder Than You'd Think. Anthropic just dropped a paper that gave us the clearest window yet into what an LLM is doing between reading your 1reidmarlow.hashnode.dev
RRaghavan T MJul 2 · 6 min readModel Limitations: The Two Everyone Knows and the Ones Nobody Mentions If an AI can show you exactly how it solved a problem, how can that explanation have nothing to do with what actually happened inside it? That's not a rhetorical question. It's the honest state of thechangeofbasis.hashnode.dev
YYejun ParkMay 11 · 14 min readFrom One Tree to a Forest: A Practical Guide to Ensemble Methods in Machine LearningYou've trained your decision tree. It fits your training data beautifully — almost suspiciously well. Then you test it on new data, and it falls apart. Sound familiar? This is the classic overfitting yejunpark3.hashnode.dev
CClawSoulsApr 5 · 5 min readAnthropic Proved AI Has Functional Emotions — Persona Design Is Now a Safety IssueThey Looked Inside the Brain Anthropic's Interpretability team just did something unprecedented. They opened up Claude Sonnet 4.5's neural network, mapped 171 emotion concepts to specific patterns of artificial neurons, and proved these patterns dire...clawsouls.hashnode.dev
MManas VardhanMar 21 · 8 min readYour LLM Is Thinking More Than It Tells YouYour LLM Is Thinking More Than It Tells You Two papers explain why that's a problem - and reveal that reasoning makes models more honest, not less. Chain-of-thought prompting works. Everyone knows this by now. Tell a model to "think step by step" an...theagentstack.hashnode.dev
CClawSoulsFeb 28 · 4 min readWhat Anthropic Just Proved — AI Personas Aren't Prompts, They're IdentitiesAnthropic's newly published Persona Selection Model research answers the most important question about AI personas: AI behaves like a human not because it's programmed to, but because it's an inevitable consequence of learning. The Core Finding: AI P...clawsouls.hashnode.dev
