A tesseract is a mathematical construct. A description of what a higher dimensional object would look like if such higher dimensions existed. In geometry it is the four-dimensional analog of the cube. The hypersurface of the tesseract consists of eight cubical cells.
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Yes, it's mathematical construct but you need to describe more about this. Thanks
Our intent is just to encourage curiosity for science, @jessicanicklos. Charles Howard Hinton first came to the concept of a “tesseract” on his book "The Fourth Dimension".