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Carl Sagan explaining the fourth dimension

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Uploaded by on Dec 22, 2011

World famous astronomer and astrophysicist, the great Carl Sagan, explains the 4th dimension in his wonderful series Cosmos: A Personal Voyage

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  • Yes a 4-dimentional cube is called a Tesseract, a 5-dimentional one is likewise called a Penteract, 6d a Hexeract, 7d a Hepteract, an Octoract, a Nonaract, up to Dekaract being 10d and maybe Undekaract, you could after this generate actual or possible hypercubes like Hectaract, Kiloract, Megaract, Gigaract, Teraract, Petaract, Exaract, Zettaract, Yattaract, Xonaract, Wekaract, Yundaract, Udaract and so on even.

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