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Phillip Bradbury

Life in life

About this video

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.

Why it’s worth your time

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

6 HN recommenders

Read the HN discussion

Format: Demo
HN discussion years: 2013-2025

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