- What is a tesseract? Let's explain the geometry of the tesseract, a four-dimensional cube, through a clear and detailed animation. | The Brain Maze

56 reactions · 13 shares | In geometry, the #tesseract is the four-dimensional analogue of the cube; the tesseract is to the cube as the cube is to the square. Just as the surface of the cube consists of six square faces, the hypersurface of the tesseract consists of eight cubical cells. | Mathematics For All | Facebook