About

Hi, I'm Kelvin. Ever since I was small, I've always been interested in elegant solutions to hard problems. Tools that generalise surprisingly, puzzles with an elegant twist, theories that seem powerful to be true - that's what I like to spend time exploring.

Writings

🧩 Puzzle 1: Black holes

Inspired by the story of how humanity discovered the inverse-square force law, this puzzle adds...

Solving Trade or Tighten

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