你看到爱因斯坦还是梦露？
<p><span word="As">As</span> <span word="this">this</span> <span word="image">image</span> <span word="gets">gets</span> <span word="larger">larger</span>, <span word="what">what</span> <span word="do">do</span> <span word="you">you</span> <span word="see">see</span>?</p><p>随着这张图片越放越大，你看到了谁？</p><p><span word="Most">Most</span> <span word="people">people</span> <span word="will">will</span> <span word="pick">pick</span> <span word="out">out</span> <span word="a">a</span> <span word="phantom">phantom</span>-<span word="like">like</span> <span word="picture">picture</span> <span word="of">of</span> <span word="Albert">Albert</span> <span word="Einstein">Einstein</span>. <span word="But">But</span> <span word="if">if</span> <span word="you">you</span> <span word="see">see</span> <span word="a">a</span> <span word="Hollywood">Hollywood</span> <span word="pin">pin</span>-<span word="up">up</span>, <span word="you">you</span> <span word="may">may</span> <span word="need">need</span> <span word="a">a</span> <span word="trip">trip</span> <span word="to">to</span> <span word="the">the</span> <span word="opticians">opticians</span>.</p><p>大多数人看到的是阿尔伯特·爱因斯坦的一张诡异照片。如果你看到的是好莱坞女明星，也许你就得去一趟眼镜店了。</p><p><span word="At">At</span> <span word="normal">normal</span> <span word="viewing">viewing</span> <span word="distance">distance</span>, <span word="healthy">healthy</span> <span word="eyes">eyes</span> <span word="should">should</span> <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> <span word="pick">pick</span> <span word="up">up</span> <span word="the">the</span> <span word="fine">fine</span> <span word="lines">lines</span> <span word="on">on</span> <span word="Einstein">Einstein</span>'<span word="s">s</span> <span word="face">face</span>, <span word="causing">causing</span> <span word="the">the</span> <span word="brain">brain</span> <span word="to">to</span> <span word="disregard">disregard</span> <span word="Marilyn">Marilyn</span> <span word="Monroe">Monroe</span>'<span word="s">s</span> <span word="image">image</span> <span word="altogether">altogether</span>.</p><p>在正常的观察距离下，健康的眼睛能够捕捉到爱因斯坦脸上的线条，这让大脑可以完全忽略玛丽莲·梦露的图像。</p><p><span word="This">This</span> <span word="classic">classic</span> <span word="optical">optical</span> <span word="illusion">illusion</span> <span word="was">was</span> <span word="created">created</span> <span word="several">several</span> <span word="years">years</span> <span word="ago">ago</span> <span word="by">by</span> <span word="neuroscientists">neuroscientists</span> <span word="at">at</span> <span word="the">the</span> <span word="Massachusetts">Massachusetts</span> <span word="Institute">Institute</span> <span word="of">of</span> <span word="Technology">Technology</span>.</p><p>这一视错觉经典图像是麻省理工学院神经系统科学家们几年前制作的。</p><p><span word="In">In</span> <span word="a">a</span> <span word="recent">recent</span> <span word="video">video</span>, <span word="Asap">Asap</span> <span word="Science">Science</span> <span word="highlighted">highlighted</span> <span word="the">the</span> <span word="process">process</span> <span word="behind">behind</span> <span word="the">the</span> <span word="trick">trick</span>, <span word="which">which</span> <span word="can">can</span> <span word="also">also</span> <span word="be">be</span> <span word="seen">seen</span> <span word="in">in</span> <span word="a">a</span> <span word="still">still</span> <span word="image">image</span> <span word="by">by</span> <span word="anyone">anyone</span> <span word="if">if</span> <span word="they">they</span> <span word="move">move</span> <span word="closer">closer</span> <span word="and">and</span> <span word="then">then</span> <span word="farther">farther</span> <span word="away">away</span> <span word="from">from</span> <span word="the">the</span> <span word="screen">screen</span>.</p><p>在最近的视频中，<span word="YouTube">YouTube</span>科普大神<span word="Asap">Asap</span> <span word="Science">Science</span>揭露了这个视错觉背后的操作过程，只要观察者调整自己与屏幕的距离，那么每个人都能从一幅静态图片中观察到图片的变化。</p><p>‘<span word="Depending">Depending</span> <span word="on">on</span> <span word="how">how</span> <span word="well">well</span> <span word="you">you</span>'<span word="re">re</span> <span word="able">able</span> <span word="to">to</span> <span word="focus">focus</span> <span word="or">or</span> <span word="pick">pick</span> <span word="up">up</span> <span word="contrast">contrast</span>, <span word="your">your</span> <span word="eye">eye</span> <span word="will">will</span> <span word="only">only</span> <span word="pick">pick</span> <span word="out">out</span> <span word="details">details</span>,’ <span word="the">the</span> <span word="video">video</span> <span word="explains">explains</span>. 视频中这样解释道：“这都取决于你的聚焦能力和识别对比度的能力，你的眼睛只会关注细节。”</p>
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