There are three pictures below. Are the pictures you are watching immovable or rotary ? (靜止?或移動?)

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Hello Kathy :
I do think they are three ordinary pictures on my first looking .i changed my mind when i read your introduction .I agree three misleading picture, if i do it to see whether the campaign as ordinary pictures, once i try to look at the motive, they are really move . There was a kind of version, called what ?

That's called "(optical) illusion."

Tim

What elements make the pictures look like turning? What are the functions of those kind of pictures applied to?

Different colors refract or diffuse differently. These particular shapes and arrangements help to reinforce the effects.

Tim

Hello,
Tim,Thank you for explaining it for me ,i do agree with you.
Kathy,Thank you for sharing us such funny pictures. :)

it makes me dizziness :)

Maybe my eyes are getting old and losing part of the functions. I could not observe any turning no matter how hard I watched the pictures.

really? Uncle glot ,try one more time.

據心理醫生說，圖片與心理承受力有關，你的心理承受力越強，圖片轉動越慢。

美國曾經以此作為犯罪嫌疑人的心理測試，他看到的圖片是高速旋轉的,而大部分的老人和兒童看這幅圖片是靜止的。