Rabbit–duck illusion
From Infogalactic: the planetary knowledge core
The rabbit–duck illusion is an ambiguous image in which a rabbit or a duck can be seen.[1]
The earliest known version is an unattributed drawing from the 23 October 1892 issue of Fliegende Blätter, a German humour magazine. It was captioned "Welche Thiere gleichen einander am meisten?" ("Which animals are most like each other?"), with "Kaninchen und Ente" ("Rabbit and Duck") written underneath.[2]
The image was made famous by Ludwig Wittgenstein, who included it in his Philosophical Investigations as a means of describing two different ways of seeing: seeing that/seeing as.
References
- ↑ Weisstein, Eric W., "Rabbit–duck illusion", MathWorld.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
Wikimedia Commons has media related to Rabbit–duck illusion. |
- The illusion in Fliegende Blätter at the University Library Heidelberg
- Rabbitduck, a sculpture by Paul St George
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