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A '''tesseract''' is a four-dimensional cube. In three-dimensional space, it is depicted as a [[cube]] suspended within another cube with all the vertices or corners connected. The tesseract was used in [[Madeleine L'Engle]]'s [[A Wrinkle In Time]] as "a wrinkle in time"; the internal cube flows outward as the external one flows inward square by square.
A '''tesseract''' is a four-dimensional cube. In three-dimensional space, it is depicted as a [[cube]] suspended within another cube with all the vertices or corners connected. The tesseract was used in [[Madeleine L'Engle]]'s [[A Wrinkle In Time]] as "a wrinkle in time"; the internal cube flows outward as the external one flows inward square by square.
==External Links==
==External links==
*[http://www.maa.org/editorial/knot/tesseract.html A detailed mathematical explanation, complete with Java graphical demonstrations.]
*[http://www.maa.org/editorial/knot/tesseract.html A detailed mathematical explanation, complete with Java graphical demonstrations.]
[[Category:Mathematics]]
[[Category:Mathematics]]