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3Blue1Brown mailing list · Jul 16, 2026

But what is cross-entropy?

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Grant Sanderson · 3Blue1Brown mailing list

What a crazy coincidence! I’m actually a 3rd y computer science student, but lately I’ve been studying thermodynamics, I'm working on a project for the SoME competition. My project is a model for how solar radiation hits different parts of earth (land, oceans, poles,...) and gets reflected differently. And at the time your post dropped in I was thinking about the physics of entropy! ​my aim is to build an interactive simulator for this using streamlit, inspired by 'Manim' in explaining the equations.

It’s so fascinating how this concept bridges thermodynamics in physics and information theory in computer science. Talk about a cosmic scientific coincidence!

Read the original on 3blue1brown.substack.com

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