Magic Squares: A touch of mysticism and a lot of brain-challenging fun! By Marcel Danesi, Ph.D. in Brain Workout One of the most fascinating number games of all time is the magic square. In its ...
Only in the last five years has sudoku been capturing people’s recreational time. But 250 years ago, Benjamin Franklin was developing fascinating puzzles with principles quite similar to sudoku, ...
“In my younger days, having once some leisure which I still think I might have employed more usefully, I had amused myself in making . . . magic squares,” Benjamin Franklin (1706–1790) wrote in a ...
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