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 ...

For thousands of years people have played with magic squares—arrays of distinct numbers whose rows, columns and diagonals add to the same total.* A simple 3-by-3 array that sums to 15 every which way ...

Benjamin Franklin was a brilliant amateur scientist in an era when amateur science mattered. His experiments on electricity won him the Royal Society's Copley Medal in 1753 — it is to Franklin that we ...