Optical Illusion 1
|
An example of an optical illusion created with Geogebra. |
|
|
|
Are the black lines continuous? Use the slider to see. |
Sunflowers are Irrationally Pretty
Growing seeds? [br]The slider allows you to change the fraction of a turn you turn before growing a new 'seed' each time.[br][br]When do you get spokes? When do you get dense packing?
Try clicking the 'Show Buttons' check box, to choose particular values for r.[br](you might want to stop the animation first)