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April 4, 2011

Sudoku: Magical History of Magic Squares

Alex Bellos, Guardian


Wikimedia Commons

When Lee Sallows was in his 20s he moved from London to the Netherlands and dropped a lot of LSD. During one acid trip he started doodling with magic squares, a type of mathematical pursuit he had recently read about in a scientific magazine.

A magic square is a grid of numbers for which every line, column and diagonal adds up to the same number.

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TAGGED: geometry, mathematics, sudoku

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