Posted on by admin. The phi phenomenon is an illusion where one perceives a continuous motion in separate objects displayed rapidly in succession. The phenomenom was identified by Max Wertheimer in his 1912 paper âExperimental Studies of the Perception of Motionâ.Films and animation are examples of the phi phenomenon.osted on by admin. The phi phenomenon is an illusion where one perceives a continuous motion in separate objects displayed rapidly in succession. The phenomenom was identified by Max Wertheimer in his 1912 paper âExperimental Studies of the Perception of Motionâ. Films and animation are examples of the phi phenomenon.
verb (used with object), captivated, captivating. 1. to attract and hold the attention or interest of, as by beauty or excellence; enchant: Her blue eyes and red hair captivated him. 2. Obsolete. to capture; subjugate. Origin of captivate.
A CAPTCHA (a backronym for Completely Automated Public Turing test to tell Computers and Humans Apart) is a type of challenge-response test used in computing to determine whether or not the user is human. The term was coined in 2003 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper, and John Langford.