Nombres réels

We normally think of Telekinesis as a kind of supernatural mental power, but the word "Telekinesis" just comes from the greek kinēsis meaning "motion" and tele-...

When I was in fourth grade, my teacher said to us one day: "There are as many even numbers as there are numbers." "Really?", I thought. Well, yeah, there are...

Today we're going to count infinity. Now counting may seem elementary, like, when we say that we have five sheep, what we mean is that we have one sheep for every number from one to five. And...