There should be a bullet flying through it, but it's just a test. I wanted to see how Cycles motion blur would look in this animation (its motion blur has been terrific so far, by the way). Created in Blender 265a with some tweaks done in After Effects.
Great tips on shattering techniques using the game engine (still hoping for Bullet integration in trunk!) here:
You can download the .blend file here: mostlydocumentary.com/blender/zips/bulletThroughSphere.zip
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