Designers have dreamed about creating a refreshable, affordable full-page Braille display for the visually impaired, and a team at the University of Michigan has found an ingenious solution in bubbles. That’s right, bubbles
试想一下，你正用电子设备阅读这篇文章——但这台设备有一个巨大的缺陷：它每次只能显示五六个单词，而且在读取下一组内容之前，你还需要等待屏幕刷新。听起来令人抓狂吧？然而，这正是许多盲人和视障人士在使用笔记本电脑或平板电脑阅读时的真实体验——他们依赖一种能将普通文字转换为盲文的设备。这些可刷新盲文显示器形似迷你键盘，上面排列着一行凸起的点阵，通常通过蓝牙或USB与笔记本或平板电脑相连，每次只能显示14至80个字符。
原创文章，作者：codex2，如若转载，请注明出处：https://www.ormemo.com/1414.html
David Moinina Sengeh argues that the 70% of the sub-Saharan African population who don’t have electricity shouldn’t have to put up with inferior solutions, and explains why he’s bullish about the microgrid.
In one of the world’s most polluted cities, there’s a futuristic tower that sucks up smog, turns it into clean air, and filters out the smog particles so they can be turned into diamonds.
In 2018, astronomer Erika Hamden saw a decade-long project crash into the desert — but following that defeat, she took away valuable lessons. Here, she shares advice for bouncing back, whether you’re pushing the bounds of outer space or hunkered down in a home office.
气候变化对全球南方的影响尤为深重。本文围绕TED演讲、政府间气候变化专门委员会报告及相关研究，梳理了气候异常带来的水资源短缺、洪涝灾害、疾病传播与粮食危机等多重风险，并探讨全球各国携手应对的可能路径。
Having needled and probed patriotic pride with his Good Country rankings, Simon Anholt is igniting public debate with a new global voting initiative.
We don't like to be played, but we still secretly crave the player.
You’ve probably used and discarded hundreds of pencils in your life so far. Put your knowledge to the test — and learn some cocktail party trivia in the process.
Beijing-based artist Liu Bolin disappears into his works, silently making bold statements about consumerism, mass culture — even the Chinese government. See a gallery of previously unpublished works.
Marine biologist Stephen Palumbi picks 10 of his favorite underwater creatures. From the oldest living animal to the fastest food in the sea, they’re all pretty extreme.
Here's how you can benefit from befriending your feelings—both everyday feelings and the more intense feelings of anxiety, depression, grief, fear, and more.