The duck-rabbit illusion, originating from a German magazine in 1892 and later referenced by Wittgenstein, demonstrates how perspective shapes perception. Seeing either animal first reveals cognitive ...

This optical illusion explains how our eyes and brain together interpret what we observe. Yet at times, they become somewhat confused, and that’s when the real trick starts. If you see the duck, you ...

The team behind The OK Book again plays with perspective and visual trickery, this time using a classic image that looks like either a rabbit (with long ears) or a duck (with a long bill). In a series ...