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2-D. 3-D. 4-D Circle. Sphere. Glome Square. Cube. Tesseract
A tesseract can be constructed in 2 simple ways: 8 cubes folded together, in the same way a cube is made with 6 squares folded together. Many cubes put in a line along the 4th dimension, like a cube is made up of many squares stacked into eachother. A constructed tesseract cannot be built in our 3D universe.
A 4 dimensional object is called a Tesseract or "hybercube"Although if you want to get into string-theory and related advanced subject matters, the Tesseract is not a 4 dimensional object at all, but simply an advanced 3 dimensional object which only represents the 4th dimension; a visual aide if you will.
I have recently been reading a novel, called A Wrinkle In Time. In a part of this book, they mention a tesseract. "Oh and by the way, a tesseract is real." (Quoted from the novel). Me and my class were discussing about what the word tesseract was. So that's when I decided to look it up here, and I infer that a tesseract is real because of the novel I am reading. You can see pictures off a tesseract in other websites like Google, or Yahoo.
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