# Infinite Stairs: The Ultimate Challenge for Your Hand Agility and Dexterity

## Infinite Stairs: A Fascinating Optical Illusion

Have you ever seen an image or a drawing of a staircase that seems to go on forever, without ever reaching an end? If so, you have witnessed an example of an optical illusion called infinite stairs. Infinite stairs are a type of impossible object that creates the impression of endless ascending or descending steps. They are also known as Penrose stairs, after Lionel Penrose and his son Roger Penrose, who popularized them in the 1950s.

## infinite stairs

## In this article, you will learn what infinite stairs are, how they work, and how to create your own using different methods. You will also discover why infinite stairs are so captivating and what they reveal about our perception and mathematics. What are infinite stairs?

Infinite stairs are a type of optical illusion that involves a two-dimensional figure that appears to be a three-dimensional object with contradictory properties. The figure consists of four segments of stairs that form a square or a rectangle. Each segment connects to another segment at a right angle, creating an illusion of continuity. However, if you follow any segment of stairs, you will find that it leads back to itself without ever reaching a higher or lower level. This means that the figure is impossible to construct or traverse Infinite stairs are a form of paradoxical or impossible geometry, which is a branch of mathematics that studies shapes and figures that defy the rules of Euclidean geometry. Some of the most famous examples of infinite stairs in art and architecture are the lithograph Ascending and Descending by M.C. Escher, the movie Inception by Christopher Nolan, and the Uppsala University Library in Sweden.

## How to create your own infinite stairs

If you want to create your own infinite stairs, you can use different methods and materials depending on your preference and skill level. Here are two simple ways to make infinite stairs using paper and scissors or a computer program.

### Using paper and scissors

To make infinite stairs using paper and scissors, you will need a sheet of paper, a pair of scissors, a ruler, a pencil, and some tape or glue.

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Follow these steps to create your own paper infinite stairs:

Draw a square or a rectangle on the paper using the ruler and the pencil. Make sure the sides are equal or proportional.

Divide the square or rectangle into four equal parts by drawing two diagonal lines that intersect at the center.

Cut along one of the diagonal lines, leaving a small gap at the center. You should have two pieces of paper that look like triangles with a notch at the tip.

Flip one of the pieces over and slide it into the notch of the other piece. You should have a shape that looks like a square or a rectangle with four segments of stairs.

Tape or glue the pieces together at the edges. You can also fold the edges to make them more stable.

Hold the paper infinite stairs in front of your eyes and tilt it slightly to see the illusion. You can also place it on a flat surface and look at it from different angles.

You can watch this video or look at this image to see how to make paper infinite stairs.

### Using a computer program

To make infinite stairs using a computer program, you will need access to a website or an app that allows you to create and customize your own optical illusions.