Wonderfully illustrated by Carl Sagan in the original Cosmos: http://www.youtube... | Hacker News

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		gdubs on Aug 28, 2014 \| parent \| context \| favorite \| on: How to walk through walls using the 4th dimension ... Wonderfully illustrated by Carl Sagan in the original Cosmos: http://www.youtube.com/watch?v=UnURElCzGc0

shangxiao on Aug 28, 2014 [–]

So that's what a tesseract is!

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