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Vids. Perception puzzles, Visual Perception, Optical illusions and Paradoxes. This page illustrates that our visual perception cannot always be trusted.

Perception puzzles, Visual Perception, Optical illusions and Paradoxes

The components of an object can distort the perception of the complete object. Our mind is the final arbiter of truth. Most optical illusions are the result of 1) incongruent design elements at opposite ends of parallel lines, 2) influence of background patterns on the overall design, 3) adjustment of our perception at the boundaries of areas of high contrast, 4) afterimages resulting from eye movements or from kinetic displays, or 5) inability to interpret the spatial structure of an object from the context provided by the picture. The Parthenon Optical illusions have been studied for millenia. Perpetually ascending staircase. The red squares are the same color in the upper part and in the lower part of the "X" The diagonal lines are parallel. There are no gray spots at the corners of the squares. Stairway between corners of a flat square. The rows of black and white squares are all parallel.

Impossible triangle. Personality Tests. Logical Paradoxes. Some paradoxes - an anthology. The 10 Most Puzzling Ancient Artifacts. The Bible tells us that God created Adam and Eve just a few thousand years ago, by some fundamentalist interpretations.

The 10 Most Puzzling Ancient Artifacts

Science informs us that this is mere fiction and that man is a few million years old, and that civilization just tens of thousands of years old. Could it be, however, that conventional science is just as mistaken as the Bible stories? There is a great deal of archeological evidence that the history of life on earth might be far different than what current geological and anthropological texts tell us. Consider these astonishing finds: The Grooved Spheres Over the last few decades, miners in South Africa have been digging up mysterious metal spheres. The Dropa Stones In 1938, an archeological expedition led by Dr. The Ica StonesBeginning in the 1930s, the father of Dr. The Antikythera MechanismA perplexing artifact was recovered by sponge-divers from a shipwreck in 1900 off the coast of Antikythera, a small island that lies northwest of Crete. Ancient Model Aircraft. Classic Lateral Thinking Exercises.

Test yourself with these thinking excercises.

Classic Lateral Thinking Exercises

The solutions are at the bottom of the page. Don't be lazy. Try hard to figure these out before you look! It'll be a lot more satisfying. There is a man who lives on the top floor of a very tall building. The solutions are below. Solutions The man is very, very short and can only reach halfway up the elevator buttons. Alternate Solutions Kyle Powerly offers several alternate solutions that fit and that are actually simpler, thus meeting Occam's Razor. Because one of them did not necessarily celebrate their birthday on the day they were born, but celebrated later or earlier. Other alternate solutions offered: Elaine wrote: There's another good answer to the gent in black being seen by the black car. (#3) Both were lit by the headlights of a car coming the other way.

Squashed Philosophers Abridged Editions - Home Page.