Duration: 2:46

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Humans are three dimensional beings living in a multidimensional world. We perceive three spatial dimensions, and one temporal dimensions. In the three spatial dimensions, we can move back and forth in, but time will only move forward.

In this video we walk through an example of how a 2d person would interact with a 2d object, how a 3d person would interact with a 2 dimensional and 3 dimensional objects and lastly, how a four dimensional being would interact with a three dimensional object

Higher dimensionality is a fascinating topic and space and physics, an aspect of the natural universe humans may not be equipped to understand nor have any sense of intuition of. It begs the question of what exists in the universe that we don't have the faculties to experience and understand.

If you would like to see more of the exploration of higher dimensionality, i recommend the Three Body Problem Trilogy by Cixin Liu. The 2nd and 3rd books, The Dark Forest and Death's End, both feature multiple plot points involving higher dimensions.

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