Watch This: Learn About The Science Behind Hollywood Explosions

September 25, 2015
Source: YouTube

Hollywood Explosions

Have you ever wondered why CG explosions are looking better and better? Algorithms! That's how. For a deeper exploration, watch this interesting YouTube video by University of California featuring Theodore Kim explaining one of the algorithms he developed for explosions, specifically the smoke. Kim discusses an algorithm called Wavelet Turbulence, which is a series of swirls to simulate actual smoke. After creating and releasing their algorithm open source, it ended up being used in movies like Avatar, Iron Man 3, Super 8 and Man of Steel. It's a very technical breakdown but still fascinating to hear him explain. Watch below.

Description from YouTube (thanks to SlashFilm for the tip): How do filmmakers create a big explosion? Theodore Kim explains how his software creates the smoke effects seen in many Hollywood films. The video features Theodore Kim of Cornell discussing various technical aspects of explosions, including the Wavelet Turbulence - which you can learn more about here. This is a very interesting video and basically a short doc on the creation of this algorithm. I'd love to see more technical looks at Hollywood CGI tricks, if the VFX studios are up to putting any out. You can see another technical video on the History of Animation.

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Reader Feedback - 2 Comments


It cannot be understated enough how complicated these "algorithms" are in application.

DAVIDPD on Sep 25, 2015


This was super interesting I could imagine that the process would be good to generate art also.

Carpola on Sep 26, 2015

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