Topic

Learning & Reasoning

Mental models, explanations, and reasoning tools for understanding things more reliably.

Start Here

  • Feynman-Style ExplanationThe useful habit associated with Richard Feynman is simple: try to reconstruct an idea in plain language rather than hiding behind familiar words. When the explanation breaks, becomes circular, or depends on unexplained jargon, you have found a gap in your understanding.

Go Deeper

  • Survivorship BiasSurvivorship bias occurs when the cases you can observe are a filtered subset of the cases that originally existed, and you forget to reason about what is missing.
  • The Scientific MethodThere is no single universal sixstep scientific method that every scientist follows. Real science includes experiments, natural observations, simulations, historical reconstruction, instrument building, model comparison, and exploratory work.