HP Lovecraft. Ex
oblivion
In geometry a tesseract or hypercube is a figure formed by two three-dimensional cubes in a fourth axis displaced dimensional ( call the first length, second and third level deep). In a four-dimensional space, the tesseract is a four-dimensional cube space. It consists of 8 cubic cells, 24 square faces, 32 edges and 16 vertices.
This term was first coined in 1888 by English mathematician Charles Howard Hinton in a play called A New Era of Thought, a kind of manual that sought to train the intuition hyperspace through visualization exercises with colored blocks around an imaginary hypercube.
A hypercube is a cube defined as obsolete in time, that is, each moment of time which moved but all of them together. Of course we can not see a hypercube in the fourth dimension, because only the points that would touch our universe, so all we would see a stock cube.
a hypercube can not see because we are "locked" in three dimensions, so that we can only see the projection of what would a hypercube. It looks like two cubes nested, with all vertices connected by lines. But in the real four-dimensional tesseract all lines have the same length and all angles would be right angles.
Source: Wikipedia
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