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Think of a Number. How Do Math Magicians Know What It Is?
Mathematical magic can seem like mind reading. Your job is to reveal the secret behind these four tricks.
Play First and Lose: Zugzwang in Chess, Math and Pizzas
How to win games by going second and leaving your opponent with no good options.
Euler’s 243-Year-Old ‘Impossible’ Puzzle Gets a Quantum Solution
A surprising new solution to Leonhard Euler’s famous “36 officers puzzle” offers a novel way of encoding quantum information.
Why e, the Transcendental Math Constant, Is Just the Best
The solution to our puzzle about Euler’s number explains why e pops up in situations that involve optimality.
Where Transcendental Numbers Hide in Everyday Math
The transcendental number π is as familiar as it is ubiquitous, but how does Euler’s number e transcend the ordinary?
Math Can, in Theory, Help You Escape a Hungry Bear
How readers used their geometry skills to survive a dangerous puzzle.
How a Simple Arithmetic Puzzle Can Guide Discovery
Playing with numbers can lead to deep mathematical and scientific insights.