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

WC 2018
רישום חופשי
Trammel of Archimedes
seo tool
Pythagoras fractal tree: Step 1

მასალების დათვალიერება

Barnett Geogebra Assignment 1
Trigonometry-1
Frames of Reference as a Parent Child Hierarchy V1.1
The Rabbit's surface