The 4th. Dimension and the Tesseract - Carl Sagan

First published at 13:27 UTC on May 23rd, 2021.
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The Fourth Dimension is a fascinating but somewhat tricky concept to grasp. In this short video, Carl Sagan expands from a 2D "flatland," to our 3D world, and onward to the 4th dimension.

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SensitivityNormal - Content that is suitable for ages 16 and over
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