Astrophysicist John Dubinski has been running simulations on his supercomputer of galaxies forming, colliding into each other, and otherwise moving around as they are wont to do. Last year he compiled nine animations onto a DVD, wrapped them up with "the soundworlds of renaissance and baroque counterpoint, free improvisation, Middle-Eastern music, minimalism, techno and electronica to create a musical feast that crosses time and dimension," and sold Gravitas.
As of this week, he's begun giving the DVD away for free via torrent, but he's posted the series of animations on YouTube, making my day far, far happier than otherwise possible.
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