Puzzles & Quizzes

Can You Solve This Puzzle About Folding a Piece of Paper to the Moon?

The folding a piece of paper to the moon puzzle is a powerful demonstration of exponential growth. See if you can solve it.

Here's the Puzzle

How many times would you have to fold a piece of paper for it to be thick enough to reach the moon?

To solve this, you must know that the distance between the Earth and the moon is 384,000 kilometers. The piece of paper you're theoretically folding is only 0.1 millimeters thick.

Watch the video below to see how this brain teaser is solved, or scroll down for the answer.

Folding Paper to the Moon Brain Teaser

Can you solve it?

ANSWER

You would need to fold the piece of paper 42 times for it to be thick enough to reach the moon. Watch the video above to see how to arrive at this answer.

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Written by Curiosity Staff August 31, 2016

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