- Publisher: FIREFLY BOOKS LTD
- Format: Paperback | 312 pages
- Dimensions: 229mm x 254mm x 25mm | 1,202g
- Publication date: 1 January 2009
- Publication City/Country: Ontario
- ISBN 10: 1554071518
- ISBN 13: 9781554071517
- Illustrations note: 275 full colour illustrations
- Sales rank: 141,345
This intriguing collection contains more than 275 optical illusions that appear to change before your eyes. Al Seckel carefully selected both well-known images, such as Shepard's tabletop, Wade's spiral, Ames room and Rubin's face/vase, and many lesser-known, but no less effective, illusions. Every type of optical illusion is here, along with notes about the science of each visual perception and how the illusions work. Among the baffling images and shapes are: Figure/ground illusions, in which one shape switches into another then back again; Ambiguous figures; Impossible objects; Trompe l'oeil; Stereo illusions. With illusions rendered in photography, artwork and computer imaging, and a huge variety of themes and effects, Optical Illusions dazzles both the mind and the eye.
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Formerly at the California Institute of Technology, Al Seckel is a leading authority on visual and other types of sensory illusions. He is the author of 15 books on this subject.
'Highly entertaining' Jodi DeLong, Halifax Chronicle Herald.