English Dictionary

barber pole illusion

名詞

An optical illusion where, when a diagonally striped pole is rotated around its vertical axis (horizontally), it appears as though the stripes are moving in the direction of its vertical axis (downwards in the case of the animation to the right) rather than around it.

日本語の意味

斜めの縞模様が施された柱が、垂直軸を中心に回転すると、実際には回転しているにもかかわらず縦方向（例では下方向）へと動いているように見える光学的錯覚。

During the demonstration, the barber pole illusion made the diagonal stripes on the rotating pole appear to move vertically rather than around it.

実演では、斜め縞の棒を垂直軸の周りに回転させると縞がその軸に沿って動いて見えるという錯覚のため、回転している棒の斜め縞は周囲を回るのではなく垂直方向に動いているように見えました。

意味（1）

An optical illusion where, when a diagonally striped pole is rotated around its vertical axis (horizontally), it appears as though the stripes are moving in the direction of its vertical axis (downwards in the case of the animation to the right) rather than around it.

barber pole illusions （ plural ）