Carl Sagan Discusses the 4th Dimenion

Carl Sagan Discusses the 4th Dimenion

Carl Sagan talks about the 4th dimension and how it is possible to understand curved space time as used by Einstein in his general theory of relativity.

Published: January 5, 2010, 05 pm
Revised: January 5, 2010, 05 pm
Author(s): YouTube
Content Source: YouTube

Topics: The Universe

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