Cover of The Great Mental Models, Volume 2

The Great Mental Models, Volume 2

Farnam Street, Shane Parrish, Rhiannon Beaubien

3 ideas

  1. Physics models as decision tools

    Concepts like inertia, velocity, leverage, and reciprocity are lifted from physics and applied to human and organizational problems. Momentum explains why change is hard to start and hard to stop, and leverage explains outsized effects from small well-placed forces.

  2. Chemistry models: catalysts and equilibrium

    Ideas such as activation energy, catalysts, and alloys become lenses on change, where a catalyst speeds a reaction without being consumed. Equilibrium reframes stable situations as dynamic balances of opposing forces rather than static states.

  3. Biology models: adaptation and ecosystems

    Evolution, natural selection, cooperation, and the red queen effect are applied to competition and survival in markets and life. The red queen effect shows that running just to stay in place is common when everyone is adapting simultaneously.

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