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Conway's Game of Life Inside Conway's Game of Life

Phillip Bradbury · Demo · YouTube title: Life in life
Why it's here

The canonical visual for nested simulation, Turing completeness and self-reference; HN readers call it mind-blowing and reach for it constantly.

What it covers

A two-minute video of Conway's Game of Life running inside Conway's Game of Life, built from OTCA metapixels and Golly. It zooms smoothly between scales.