To help demonstrate the difference between a GPU and a CPU for Nvidia’s NVISION show, Adam and Jamie of MythBusters fame put together two paintball painting machines.
The first paints a smiley face in a somewhat laborious fashion, while the second one paints the Mona Lisa in a drastically different way:
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Citizens of Northhamptonshire, England were a little bored with regular paintball, and decided to kick it up a notch. They did so by converting retired military tanks into ultimate paint firing machines, which, for $139 you can drive around for two hours and shoot at your buddies in another tank to your heart’s content. Awesome.