The Phi Phenomenon Is Not Beta Movement
Although both cause sensation of movement, the phi phenomenon can be considered to be an apparent movement caused by luminous impulses in sequence, whereas beta movement is an apparent movement caused by luminous stationary impulses.
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Famous quotes containing the words phi, phenomenon and/or movement:
“Adolescents have the right to be themselves. The fact that you were the belle of the ball, the captain of the lacrosse team, the president of your senior class, Phi Beta Kappa, or a political activist doesn’t mean that your teenager will be or should be the same....Likewise, the fact that you were a wallflower, uncoordinated, and a C student shouldn’t mean that you push your child to be everything you were not.”
—Laurence Steinberg (20th century)
“Since everything in nature answers to a moral power, if any phenomenon remains brute and dark, it is that the corresponding faculty in the observer is not yet active.”
—Ralph Waldo Emerson (1803–1882)
“Later
Some movement is reversed and the urgent masks
Speed toward a totally unexpected end
Like clocks out of control.”
—John Ashbery (b. 1927)