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(For other tesseracts, see Tesseract (Disambiguation).)

Tesseract was coined by mathematician Charles Howard Hinton in 1888, to create a visual explanation for the existence of the fourth dimension — time. Tesseracts have featured in a number of science fiction classics, most notably Madeleine L'Engle’s A Wrinkle in Time (1962) and Robert A. Heinlein’s “—And He Built a Crooked House—” (1941).

From Fancyclopedia 1, ca. 1944
A solid of four spacial dimensions. Its characteristics, as the number of sides, edges, etc, are easily worked out by analogy with the generation of a cuboid by a plane. Below are shown two common picturizations of tesseract cubes, with the analogous ways of drawing 3-d cubes:
Tesseract illustration.png

This is a fiction page, describing fictional ideas and characters