What Tim Sweeney thinks about physics

@tim-sweeney · 22 positions · On ppll ↗

Founder and CEO of Epic Games, creator of the Unreal Engine and of Fortnite.

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1 dated position, 2025, in their own words. Our reading of what Tim Sweeney has said — not written or endorsed by them.

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30 Apr 2025

Our readingComputer graphics is not the application of the laws of physics but the search for ever better approximations of them, because the exact laws are totally intractable.

Their wordsYou can't calculate every photon in the scene. You need really detailed approximations, and that's the field of computer graphics. It's about increasingly effective approximations of the laws of physics, which are just totally intractable.

↗Tim Sweeney: Fortnite, Unreal Engine, and the Future of Gaming | Lex Fridman Podcast #467youtube.com 7th of 22 in this recording