Science Struck
Science Struck: Optical Illusions for Kids
An interesting discussion of optical illusions, their benefits for children, the skills incorporated in drawing your own, and some different types.
Science Struck
Science Struck: History of Optical Illusions
Discover the philosophers and scientists who studied optical illusions and some of the techniques used to create the illusions.
Other
Sidewalk Chalk Guy
This unknown chalk pastel artist creates unbelievable 3-dimensional images on the sidewalks of the city.
Educaplus (Jesús Peñas Cano)
Educaplus: La Pared Del Cafe
This optical phenomenon was observed for the first time on the wall of a cafe in Bristol.
Educaplus (Jesús Peñas Cano)
Educaplus: Ilusion De Paul Churchland
Are the two red segments always the same size? Press the guide button to find out.
Educaplus (Jesús Peñas Cano)
Educaplus: Ilusion De Hans Kuiper
Do you see four concentric red squares? Use the green square to find out.
Educaplus (Jesús Peñas Cano)
Educaplus: Segmentos Alineados?
Observe the red and the green segment and predict if they are aligned.
Children's Discovery Museum
Children's Discovery Museum of San Jose: Color Blending Top
Put a new spin on blending colors by creating your own spinning top. Mix colors through motion and make this optical illusion spring to life.
Other
Vision rx.com: Optical Illusions
Provides an explanation of exactly what optical illusions are, and gives a few basic examples to illustrate the text.