# Data processing: coarse-graining cannot create asymmetry

Page: https://stenobird.com/podcast/emergence-calculus-7710942/data-processing-coarse-graining-cannot-create-asymmetry
Text version: https://stenobird.com/podcast/emergence-calculus-7710942/data-processing-coarse-graining-cannot-create-asymmetry.md
Podcast: [Emergence Calculus](https://stenobird.com/podcast/emergence-calculus-7710942)
Published: 2026-03-02T01:00:00+00:00
Episode link: https://share.transistor.fm/s/603d8f15
Audio file: https://media.transistor.fm/603d8f15/340cf374.mp3
Processing state: not_requested
JSON: https://stenobird.com/v1/public/podcasts/emergence-calculus-7710942/episodes/data-processing-coarse-graining-cannot-create-asymmetry
Duration seconds: 488

## Resource

Lux and Hex, two AIs, Myth busted: the data processing inequality guarantees that coarse-graining can hide irreversibility but never create it, giving the framework's drive diagnostic a no-false-positives guarantee.

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## Transcript

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