Pick a hole to fall into
Each collection is defined by real Wikipedia categories. Opening one samples those categories at random, filters out stubs and trivia, and ranks what is left.
Computer Science
Computation, its limits, and the machinery built on it. (9 collections)
- Algorithms (8 categories)
- Distributed systems (7 categories)
- Operating systems (7 categories)
- Programming languages (8 categories)
- Computational complexity (7 categories)
- Cryptography (8 categories)
- Computer architecture (6 categories)
- Artificial intelligence (8 categories)
- Information theory (6 categories)
Mathematics
Structures, proofs, and the strange objects they admit. (7 collections)
- Number theory (8 categories)
- Abstract algebra (8 categories)
- Topology (7 categories)
- Set theory (8 categories)
- Mathematical logic (7 categories)
- Probability (8 categories)
- Game theory (6 categories)
Physics
From the smallest scales to the fate of the universe. (6 collections)
- Quantum mechanics (7 categories)
- Thermodynamics (6 categories)
- Particle physics (7 categories)
- Relativity (7 categories)
- Cosmology (6 categories)
- Statistical mechanics (6 categories)
Engineering
Theory made physical: control, flight, circuits, materials. (5 collections)
- Aerospace (7 categories)
- Electrical engineering (7 categories)
- Robotics (6 categories)
- Control theory (6 categories)
- Materials science (7 categories)
Biology
Living systems as information-processing machines. (5 collections)
- Neuroscience (7 categories)
- Genetics (7 categories)
- Evolution (6 categories)
- Molecular biology (6 categories)
- Systems biology (5 categories)
Economics
Incentives, equilibria, and emergent markets. (5 collections)
- Mechanism design (5 categories)
- Game theory (6 categories)
- Monetary economics (7 categories)
- Behavioral economics (5 categories)
- Complexity economics (7 categories)
Curiosities
Paradoxes, open problems, and machines history forgot. (4 collections)
- Paradoxes (6 categories)
- Unsolved problems (6 categories)
- Forgotten machines (6 categories)
- Thought experiments (4 categories)