How to perform a mind-reading trick using simple calibration

Puzzle 3: You Can Read Minds (with a little calibration) · 46:59 · Video: MIT OpenCourseWare · Watch at the source

In short: Discover a psychological illusion that allows you to correctly guess a spectator's card. This MIT OpenCourseWare demonstration shows how a calculated 'failure' on initial attempts can lead to a stunning reveal.

In this MIT 6.S095 programming course session, Professor Srini Devadas demonstrates a specific mentalism technique. The trick involves intentionally failing to guess the first four cards an audience member selects, only to successfully identify the fifth card through a process of calibration and assistance.

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