4th Dimension - Tesseract, 4th Dimension Made Easy - Carl Sagan
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 Published On Aug 09, 2011

From the epic Cosmos by Carl Sagan: http://amzn.to/2BKhUix (US). For UK: http://amzn.to/2BNeP14 | Canada: http://amzn.to/2AutZu2 |

This short video clip shows Carl Sagan explaining the 4th Dimension. It is a short clip from Carl Sagan's Cosmos: A Personal Voyage.

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