YANG DESIGN tried to apply e-ink technology into super thin and bendable watch.

YANG DESIGN尝试将电子书屏幕的电子墨水技术应用到手表的设计中，实现了超薄的，并且可以弯曲的表盘。

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But the principal breakthrough with the solid ink technology stems from the overall simplicity of the machine's innards.

但这项固墨技术的重要突破来自于打印机内部结构的整个简化。

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The e-ink technology powering its screen is also a newer generation, displaying sixteen shades of gray rather than four.

新电子墨水技术使屏幕可以显示出16灰阶，比之前的4灰阶显示有了长足进步。

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Otherwise, the CES show floor is absolutely littered with electronic ink also-rans, hybrids, and new screen technologies looking to knock-off the incumbent Kindle, underlying E Ink technology, and Amazon juggernaut.

ENGADGET: The e-Reader story of CES 2010

Bookeen's Cybook Opus is now definitely the best eBook Reader of its kind: thanks to the very latest E-Ink electronic ink technology, its screen offers the most comfortable reading experience, comparable to paper.

ENGADGET: Bookeen's upgraded, colorful Cybook Opus to debut on May 7

There's a reason, of course -- the current e-ink technology is simply not built for web browsing -- the page refreshes a lot during scrolling, images don't look great and in the case of the Kobo, there's no pinch-to-zoom, so you've got to rely on an ever-present slider on the bottom to make things larger.

ENGADGET: Kobo Glo review: another illuminated e-reader lights up the market