(via Physics Girl) Math can be fun when you play with the rules, use it to do everyday things like fast math for calculating tips, and do some math magic tricks! Plus, math is the language of physics.

Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this ...

Did you know there are more ways to shuffle a deck of cards than there are atoms in the universe? Seems crazy, but it's true. Today The Why Files covers amazing math facts (and tricks) that will ...