# Random

> Source: https://ollybritton.com/notes/random/ · Updated: 2025-09-30

- [Games](https://ollybritton.com/notes/random/games/)
- [All of history](https://ollybritton.com/notes/random/history/)
- [Conversion Factors](https://ollybritton.com/notes/random/conversions/)
- [Decimal Expansions](https://ollybritton.com/notes/random/decimal-expansions/)
- [Grelling-Nelson Paradox](https://ollybritton.com/notes/random/grelling-nelson-paradox/)
- [Mental Calculation](https://ollybritton.com/notes/random/mental-calculation/)
- [Polyphasic Sleeping](https://ollybritton.com/notes/random/polyphasic-sleeping/)
- [Solving the Rubik's cube](https://ollybritton.com/notes/random/solving-the-rubiks-cube/)
- [The Doomsday Algorithm](https://ollybritton.com/notes/random/doomsday-algorithm/)
- [Writing Good Flashcards](https://ollybritton.com/notes/random/writing-good-flashcards/)

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