Try Your Hand At This Surprisingly Difficult Matchstick Puzzle

Matchstick puzzles (aka toothpick puzzles) typically involve adding to, subtracting from, or rearranging an initial configuration of matchsticks to create another, target configuration of matchsticks. Some of these puzzles can get rather complicated. This matchstick puzzle is more straightforward than most, but… »2/08/15 4:00pm2/08/15 4:00pm

How To Prove A Geometric Formula With A Clementine And A Piece of Paper

Here's a fun demonstration from Cornell maths professor Steven Strogatz. Take a clementine (or any spherical, peelable fruit) and trace around its widest part four times. Then peel it. Flatten out the peelings as best you can and divvy them up evenly among the circles. Voilà! Tangible proof that the the surface area… »1/14/15 7:50pm1/14/15 7:50pm

A 19th Century Math Genius Taught Us The Best Way To Hold Pizza

We've all been there. You pick up a slice of pizza and you're about to take a bite, but it flops over and dangles limply from your fingers instead. The crust isn't stiff enough to support the weight of the slice. Maybe you should have gone for fewer toppings? No. There's no need to despair. »10/10/14 12:30pm10/10/14 12:30pm