They baffle, delight, and frustrate millions of people around the world on a daily basis. But even the most dedicated Sudoku-solver might have never spotted this secret pattern. Mathematicians have ...
On one level, sudoku is a simple and fun way to pass the time and keep the brain ticking – but dig deeper, and some fiendishly clever math patterns reveal themselves. The most recent to blow our minds ...
This optical illusion can only be solved by the sharpest minds in under 9 seconds. All you have to do is count all the squares hidden in the image. But don’t get too cocky, because whilst this puzzle ...
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