Came across this piece when a friend forwarded it to me.
As the URL itself implies, it answers the question "What would it be like to walk around a planet that is shaped like a cube instead of a sphere?". It is a short/neat piece. As you put some thought into even such hypothetical questions, some of the details that come up are pretty intriguing. For example, due to the way gravity will work its magic, the corners of the cube will appear more as mountain peaks to a person standing on the planet rather than corners of a cube. Good mental exercise. :-)
Straightdope site seems to have other such pieces as well. Need to explore.
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