This is the first stage of an optical illusion.

这是视错觉的第一阶段。

These aren't optical structures; they're optical illusions experienced by the observer.

这些不是光学结构，而是观察者体验到的视错觉。

To do this, they must also know how to identify potentially confusing optical illusions.

要做到这一点，他们还必须了解如何识别潜在且令人困惑的视错觉现象。

The scientists say it's actually optical illusion caused by its position in the sky.

科学家表示，这是由月亮在天空的位置所带来的视觉错觉。

The artwork is designed so that, when photographed from a specific angle, optical illusions are created.

这种艺术品的设计在于当从一个特定的角度拍摄的时候，会形成一种视觉错觉。

There are optical illusions, hidden groves and subtle messages alluding to the sun throughout the park.

整个园林里都包含着视觉错觉、隐秘小树林和暗指太阳的巧妙信息。

Leonardo da Vinci's most famous painting also has an optical illusion named for it: the Mona Lisa effect.

列奥纳多·达·芬奇最著名的画作还有一种以其命名的视错觉：蒙娜丽莎效应。

Do you have a favorite optical illusion?

你有最喜欢的光学错觉吗?

Our brains don't just trick us with optical illusions like these.

我们的大脑不仅仅用这些视错觉来欺骗我们。

Let's play with optical illusions. Let's try to dance on moving surfaces.

让我们来玩视错觉吧。让我们尝试在移动的表面上跳舞。

Yet this impression that autocracy is sweeping the world is something of an optical illusion.

然而，这种独裁统治席卷全球的印象在某种程度上是一种错觉。

Why is the impression that autocracy is sweeping the world something of an optical illusion?

1. 为什么专制统治席卷全球的印象是一种错觉？

Take the famed Muller-Lyer optical illusion: it's normal to think one of the two lines is longer, when they're actually the same length.

以知名的慕勒·莱尔错觉为例，你很容易就会以为某条线比较长，虽然这两条线其实一样长。

And don't be thinking it's anaccident or some optical illusion.

别以为这是意外 也不是错觉。

And when the U2 audience arrived at the Sphere, they walked into this gigantic optical illusion.

当 U2 的观众抵达球体时，他们走进了这个巨大的视觉幻象。

Indeed, as the name suggests, there is an  element of optical illusion to this paint scheme.

事实上，正如其名称所暗示的那样，这种涂装方案具有视觉错觉元素。

It's an optical illusion that happens when the setting sun hits the waterfall at just the right angle.

这是一种视错觉，当落日以恰到好处的角度照在瀑布上时就会发生。

So, an " optical illusion" is when something looks a certain way, but in reality it isn't that way.

所以，“视错觉” 是指某些东西看起来是某种方式，但实际上并非如此。

Mother nature was of no help, either; large chunks of ice and hazy optical illusions only contributed to the crash.

大自然母亲也无济于事。只有大块的冰和朦胧的视错觉导致了崩溃。

This factual constellation gave rise to an optical illusion under which both Jewish and non-Jewish historians have suffered ever since.

这些事实整体助长了一种幻觉，从此以后使犹太和非犹太历史学家们痛苦不堪。