All of them were black and white images of a runner, with a quote that expressed their reason for running.

他们所有人都是白人和黑人的跑步者的形象，有一句引语阐述了他们跑步原因的引述。

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When we think of the tonal range, we usually think of black and white images and how the highlights and shadows work together.

在考虑色域时，我们常会想到黑白照片和亮部及阴影的相互作用。

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Each capsule ACTS as a picture element, so black and white images can be created by sending appropriate electrical signals to each capsule.

每一个胶囊作为一个像素点，通过向每个胶囊发送适当的电信号，黑白图片能被生成。

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LensWork has grown for 20 consecutive years by exploiting a defined niche audience: fine art photography aficionados with a passion for classic black and white images that take their cues from the masters of the genre.

FORBES: How LensWork Leverages the Power of Niche

As of now, the setup only snaps black and white images with a resolution of 32 x 32 pixels, but there are plans to boost its fidelity by leveraging higher quality photodiodes (or even composite photos).

ENGADGET

"While eBook readers have focused on static black-and white images in a single purpose device, we believe incremental content from magazines, newspapers, textbooks and other formats will lend themselves to a more colorful, immersive and interactive experience, more akin to what users have come to expect from the Internet, " Cross writes.

FORBES: Steve Jobs, Kindle Killer?