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Sample illusion
Author:
Dave Van Leeuwen
When segments are shown, the impression is that of rotation. When segments are turned off and curve is shown, the same motion gives a very different impression.
GeoGebra
New Resources
Rotating Points (Optical Illusion)
Slope Field (1)
Witch of Agnesi - A Classical Construction
Stairs (Optical Illusion)
Linear Cross Section Exercise
Discover Resources
LevelError
sin(x-c)
Refraction in a Triangle
Circumcenter of Triangles
Untitled
Discover Topics
Parabola
Cube
Straight Lines
Vectors 3D (Three-Dimensional)
Solids or 3D Shapes