How come the science guys get all the really cool videos?
I found this from Mollishka at a geocentric view, and I crib it entirely from there:
Ever wanted to see what it looks like when a sphere gets turned inside out, or simply know what is meant when people talk about turning closed surfaces (like a sphere) inside out? Hat tip to Scott Aaronson for this video:
As it turns out, I actually recognize several of the intermediate steps (for a few of the algorithms they show) as neat-o sculptures that often show up near math departments.
a geocentric view has several other features I found interesting. It’s written by a graduate student in astronomy — go noodle around.
Millard Fillmore's Bathtub 
There’s an inverse relationship between personal geekiness and video coolness. Be glad your videos are dry…
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