Explore the world through models. 10 interactive chapters covering segregation, game theory, tipping points, networks, evolution, and more — all running live in your browser.
How mild individual preferences create extreme macro-level patterns. Explore Schelling's segregation, Granovetter's thresholds, and the standing ovation model.
Adding things up reveals surprising truths. From the Central Limit Theorem to cellular automata to Arrow's impossibility theorem on voting.
Three ways to model people: rational actors, behavioral agents, and rule-based traders. Play the Beauty Contest and explore prospect theory.
Phase transitions, epidemics, and technology adoption. See how systems suddenly flip from one state to another and why diseases go viral.
Why diverse teams outperform homogeneous experts. Explore rugged landscapes, the Diversity Trumps Ability theorem, and recombinant growth.
Proving systems reach equilibrium with Lyapunov functions. Plus coordination games and Axelrod's model of culture formation.
History matters. Explore the Polya Process, technology lock-in, and how random, small-world, and scale-free networks shape our world.
Skill vs luck, random walks, efficient markets, and the strategic allocation game where there is no single best strategy.
When individual rationality meets social outcomes. Run Axelrod's tournament, manage public goods, and govern the commons with Ostrom's principles.
Evolution, adaptation, and the power of combining models. See Fisher's theorem in action and why diverse predictions beat the best expert.