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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
Poorly Drawn Parallelograms 2
Blancmange curve (fractal)
Quiz: Finding Average Rate of Change
Tutorial: Create lists of numbers and objects
Icosahedron
Discover Resources
The generating spins.
W.Woodard7
Wave Interference
FP2 Haf 2016 Q7(d)(ii)
BAG Which Value of P Creates Greatest Sigma?
Discover Topics
Cosine
Parabola
Random Variables
Power Functions
Line Segment