tell me you’re kidding.

How the world really works, shown so you can finally see it.

Short videos that start with your guess and end with the real numbers. Every episode comes with a game, so you can play it yourself.

Latest · № 001 · True Scale

The Paper Fold

Fold a piece of paper in half 42 times and it reaches the Moon.

So how many folds to reach the Sun?

Make your guess, then fold it yourself and watch the stack race past the planes, the Moon and beyond.

Play it yourself

Play them yourself

Every video gets a game. New ones land here the day the video does.

Watch the videos

A new one every weekday. Make your guess, then see the maths.