Penrose Stairway

Author:Ivan De Winne

The Penrose stairs or Penrose steps, also dubbed the impossible staircase, is an impossible object created by Lionel Penrose and his son Roger Penrose.

New Resources

The black friday GeoGebra :)
Positive and Negative Space
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Nikmati Keunggulan Di Bandar Judi Terpercaya
Rolling Triangle

Discover Resources

Geometry - Holm
Die Exponentialfunktion und die Lograrithmusfunktion
Hydrostatische druk in een stuwdam
Trig Functions

Discover Topics

Scatter Plot
Surface
Reflection
Cube
Area