Category: Illusion

Uri Geller: Self-Proclaimed ‘Psychic’

A flash-back to 1975 when Uri Geller came to town.  Super-psychic or super-charlatan? Who to Believe? On the one hand, a scientific report published in Nature verifying Geller’s psychic abilities under supposedly cheat-proof conditions, and on the other, a highly speculative but critical attack published simultaneously in New Scientist. While Targ and Puthoff’s reply … …

Continue reading

A New Ponzo Illusion

Most visual illusions are produced using carefully contrived drawings or gadgets to fool the visual system into thinking impossible things.  Recently,  waiting at a train station, I encountered a real-life Ponzo illusion. The Illusion The traditional form of the Ponzo illusion is produced by drawing a pair of receding railway lines. The context suggests different …

Continue reading

The Strange Self-Motion Illusion

Anomalous experiences tend to jolt one out of one’s comfort zone, tell us interesting things about how the mind works.  A vivid déjà vu, strange coincidence, or unexpected illusion can all be automatic attention-grabbers.  Some of the oddest experiences are visual. When a large part of the visual field moves, the viewer can momentarily believe …

Continue reading

%d bloggers like this: