Fourth dimension

The concept of a fourth dimension is one that is often described in considering its physical implications, that is, we know that in three dimensions, we have dimensions of length, width, and height. The fourth dimension is said to be at right angles to these three. The cardinal directions in the three known dimensions are called up/down, north/south, and east/west. When speaking of the fourth dimension, an additional pair of terms are needed. Attested terms include ana/kata, vinn/vout (used by Rudy Rucker), and upsilon/delta.

Related Topics:
Ana - Kata - Rudy Rucker

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