Poincare conjecture: Any shape without a hole can be stretched or shrunk into a sphere
Or would you rather work in a donut shop: dedicated to purity and excellence, for no money?
http://www.lessig.org/blog/archives/003555.shtml
Mars in Opposition
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There are always opponents to the concept of colonising Mars. Recently some
of them seem to have coalesced around a few talking points. Let's address
them.
4 hours ago
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