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deinonychus commented on the word gravity train
"A gravity train is a theoretical means of transportation intended to go between two points on the surface of a sphere, following a straight tunnel that goes directly from one point to the other through the interior of the sphere." (Wikipedia)
(Is it OK to post a colourful animated gif here? Feels a bit sacreligious and disturbing... But it's such a happy little illustration!)
July 12, 2012
ruzuzu commented on the word gravity train
I'd just been thinking how there haven't been many pictures or links around here lately. Thank you for posting some happiness.
July 13, 2012