HOLD the SALT: This desalination plant in Tampa, Fla., is the biggest reverse-osmosis facility in the U.S. Image: Tampa Bay water.

留住盐分：加利福尼亚的坦帕，美国最大的反渗透海水淡化厂。

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Just as in cameras today-and in fact in our eyeballs-this revealed a reverse image on the opposite wall.

就像今天的相机一样——事实上也是在我们眼球中那样——这会在对面的墙上形成倒立的影像。

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The effect is quite dramatic: people who can perceive the hidden Magic Eye image were significantly more likely to be able to reverse the dancer.

可以看出，这个效应是非常明显的：能够观察到隐藏魔眼的观察者，其倒转舞者旋转方向的可能性要大大高于后者。

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My own advice: do a reverse image search on the photos they send you.

FORBES: Connect

For all the shortcomings and failures of the old days of Wall Street regulation, what we have now is merely a reverse image replete with its own grievous shortcomings and failures.

FORBES: Break Up the Securities and Exchange Commission

Reverse-image TVs that let you watch your favorite show in the bathroom mirror while lounging in the tub and flipping channels via a waterproof, floating remote.

WSJ: Jeffery Deaver on Bathrooms Around the World | Traveler's Tale