|
At first glance, it's a simple video of a dancer spinning. However, in fact it is an optical illusion that some say could actually reveal how smart you are. 乍看，这是简单的舞者旋转视频。然而，事实上，这是种光学假象，有些人说这能体现出你有多智慧。 It plays with the brain's visual perception - some see her spinning clockwise, counterclockwise or even switching between the two. 这玩的是大脑的视觉感知，人们会看出舞者按顺时针、逆时针旋转，甚至有人看出在两种旋转方式间切换。 | 
