Show HN: MacMind — A Transformer Neural Network Running in HyperCard on a 1989 Macintosh

GitHub·low signal

A developer built a working transformer neural network implemented entirely in HyperCard on a 1989-era Macintosh, demonstrating that the core attention mechanism can run on 37-year-old hardware. 144pts/40 comments on HN. Pure technical curiosity — demystifies transformers by showing the math runs on anything, stripping away the cloud/GPU mystique.