Plants are also able to distinguish between specific wavelengths of light that the human eye cannot even see!

植物还能分辨出人类肉眼看不到的特定波长的光！

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The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.

激光有强烈的光束，可以在钻石上钻洞，而且可以被很好地控制，用于精密的眼部手术。

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The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.

凭着本身强烈的光束，激光可在钻石上钻一个洞，而且可以被很好地控制，因此能用于精密的眼部手术。

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Degas and the Impressionists were interested in painting the effects of light, and how the human eye sees subjects.

VOA: special.2009.07.12

The others in the direct light sending the same number of photos to your eye.

那些直接处于光线之下的瓷片,向你的眼睛发出了同样多的图片。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Finally,a single ray of light shot from out and fell full upon the vulture eye.

VOA: special.2009.05.16

Normal vision is based on more than one hundred million receptors in each eye that process light, say experts.

WSJ: FDA Approves Bionic Eye

Gamma-rays are the most energetic form of light, with wavelengths far shorter than ordinary optical light (the light your eye can see), or even ultraviolet or X-ray light.

CNN: Why gamma-ray burst shocked scientists

What you see above is an LCD panel that refreshes at 240Hz, and delivering 3D at 60 frames per second to each eye, by using the typical active shutter glasses technique of blocking light to your left eye when the "right" image is displayed, and vice versa for the right eye.

ENGADGET: Sony's 24-inch PlayStation 3D 'dual-view' monitor: here's how it works