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The ghost ball trick
A magician sat at a table in front of a group of schoolchildren. He threw a ball up in the air a few times, but before his last throw, he secretly let the ball fall into his lap. Then he continued to throw an imaginary ball up in the air. Surprisingly, more than half the children claimed to have seen an illusory ball, or ghost ball.
The illusion relies on misdirecting the audience's expectations to anticipate you throwing the ball for real.
107
876 reads
MORE IDEAS ON THIS
Perception does not take place in the eyes
Although most participants experience an illusory effect during magic tricks, the eyes are not tricked. The conscious perception has been fooled by the illusion, but your eyes have not.
Lots of neural calculations are required before we can experience the world. Neural signals start in th...
96
409 reads
The role that social cues play during magic tricks
In the vanishing ball illusion, a study found that when the magician pretends to throw the ball in the air, and his gaze follows the imaginary trajectory of the ball, almost two-thirds of the participants will be convinced that they had seen the ball move up. If his gaze did not follow the imagin...
95
517 reads
A tenth-of-a-second delay
A tenth-of-a-second perceptual delay should make it impossible for you to catch a ball, especially during the magic tricks.
Our brain uses a very smart trick that prevents us from living in a delayed world. Our visual system is continually predicting the future so that we do not live in t...
102
526 reads
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The role that social cues play during magic tricks
In the vanishing ball illusion, a study found that when the magician pretends to throw the ball in the air, and his gaze follows the imaginary trajectory of the ball, almost two-thirds of the participants will be convinced that they had seen the ball move up. If his gaze did not follow the imagin...
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