Puzzles are a hands-on way to explore simpler and complex mathematical relationships, for everyone from kids to calculus students.

We'll readily admit that most Arduino mods tend to be exercises in creativity (and eccentricity) with little real world utility, which is why this one piqued our interest. A wedding present conceived ...

Fill in squares using simple hints to reveal the hidden picture. Players need both puzzle-solving skills and creativity to earn a picture reward. Creating puzzles is a snap. Players design their ...