The Penrose stairs or Penrose steps, also dubbed the impossible staircase, is an impossible object created by Oscar Reutersvärd in 1937 [1] [2] [3] [4] and later independently discovered and made popular by Lionel Penrose and his son Roger Penrose. [5]

Schroeder stairs (Schröder's stairs) is an optical illusion which is a two-dimensional drawing which may be perceived either as a drawing of a staircase leading from left to right downwards or the same staircase only turned upside down, a classical example of perspective reversal in psychology of perception.

The Penrose Stairs is an impossible figure (or impossible object or undecidable figure): it depicts an object which could not possibly exist. It is impossible for the Penrose Stairs to exist because in order for it to exist rules of Euclidean geometry would have to be violated.

Versions of the stairs appear in M. C. Escher's work (images and details above). The Schroeder Stairs Ambiguous Figure belongs in a large class of illusions where a two-dimensional figure, or three-dimensional object can be seen in two or more sharply distinct ways.

May 1, 2021 · Relativity, a lithograph print by the Dutch artist M.C. Escher, portrays a world with three orthogonal sources of gravity, in which people climb and descend stairwells that seem to go uphill both...

Dec 24, 2020 · At the heart of the illusion is a simple trick: the stairs might look like stairs, but they're actually a flat surface, making clever use of angles and shading to fool your brain.

The Schröder Staircase is an optical illusion that features a drawing of a staircase. The staircase appears to be either ascending or descending, depending on how the brain interprets the angles of the lines.

The Penrose stairs, also known as the impossible staircase or the Penrose steps, is a visual illusion in the form of an impossible object created by the mathematician and physicist Roger Penrose. The illusion is a two-dimensional representation of a staircase that appears to ascend or descend indefinitely, yet is physically impossible to climb ...

Stare at either side and imagine "Front" or "Back" for 5-10 seconds, and you'll be able to change the orientation of the stairs! - An Optical Illusion and Explaination.

Sep 23, 2024 · Explore the fascinating world of the Penrose Stairs, an optical illusion that depicts a staircase ascending or descending endlessly. Discover its impact on art, design, and our understanding of perception.