名为悲伤的故事

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音乐格式之王 MP3 退出历史舞台,取而代之的 AAC 什么来头?

即使是对音频编码一无所知的人,也不可能没有听过 MP3。<p>这种音频格式兴起于上世纪 90 年代。对于大多数 80 后、90 后来说,拥有一台能够播放这种音频格式的 MP3 播放器,已经是童年时代最美好的回忆之一了。<p>但现在,是该和 MP3 说再见的时候了。近日,发明这种音频格式的 Fraunhofer IIS 对外宣布,他们已经终止了某些 MP3 相关专利的许可,正式让其退出历史舞台。<p>此外,该研究所的一位主管 Matthias Rose 还表示:<p>高级音频编码 ( AAC ) 格式已经成为手机音乐下载和视频的标准。这种格式相较 MP3 格式来说,效率更高、功能更好,比特率比 MP3 更低,流媒体电视 …

这个黑科技,治好了我的中二病

<b>小时候,我一度痴迷于原力,希望能借此成为很厉害的人。</b>挥舞光剑、隔空控制物品,见证宇宙中种种神奇的事,多么有趣啊!后来长大了,这些幼稚的念想都被藏在时光胶囊里,深埋心底。直到某个冷得根本离不开被窝的早上,我突然想起这件事。只不过这次,我不想当反派或者大英雄了,我只想把房间的灯打开。 让我拥有「原力」的神器这件神器名为 MYO 腕带,是一个可穿戴手势交互设备。通过蓝牙连接到电子设备后,我可以用它来控制电器。▲开个网页,播首歌,仅需一个动作▲暂停回放,就几个手势的事儿▲ 打游戏终于能「亲身」上阵,是时候把手柄和机械键盘收起来了▲搭配 VR …

This Man Hiked the Entire Route of the Keystone XL Pipeline

From Canada to Texas, Ken Ilgunas encountered environmental devastation, climate-change denial, and the kindness of strangers.<p>Within a week of his inauguration, President Trump signed an executive memorandum reviving the Keystone XL pipeline that President Obama had previously blocked. But Trump’s …

Environment

Samsung completes its biggest acquisition ever

Despite its explosive growth, Samsung has mostly preferred to buy smaller startups or develop its own technology. That changed last November when the company announced it would purchase Harman International Industries, Incorporated for about $8 billion, and tonight it confirmed the deal is complete.<p>…

Engadget's editors on the Nintendo Switch

We were lucky enough to get an early look at the Nintendo Switch and <i>The Legend of Zelda: Breath of the Wild</i>. But now that the console and its killer launch game are finally available to all (if you can find them, at least), we've asked several of our editors about their thoughts on the system. …

The empathy layer

Can an app that lets strangers — and bots — become amateur therapists create a safer internet?<p>In January 2016, police in Blacksburg, Virginia, began looking into the disappearance of a 13-year-old girl named Nicole Lovell. Her parents had discovered her bedroom door barricaded with a dresser, her …

Mental Health

快人一步,先知道这些生活中的实用工具吧

使用这些工具,真的省了很多事,而且效率也提升了很多,也让我发现了很多的好东西,一次毫不保留都分享给你们,你们要好好收藏☟☟☟(~ o ~)~zZ<p>CC 搜索<p>☞ creativecommons.org<p>CC 搜索是一个专门搜索免费资源的搜索引擎。<p>它可以搜索免费的资源、图片、多媒体等等,它还支持特定网站上的 …

做 PPT 和设计必备!免费下近 90 万图标素材 | 领客专栏 · 電腦玩物

我从 2015 年初开始,因为自己更频繁的制作 PPT 需求,所以找了不少 ICON 图标图库。在我之前使用的几个 ICON 图标图库中,我自己最喜欢拥有超过 24 万个免费图标的 Flaticon,它的 ICON 都有精选过,风格则是现在最主流的扁平化设计。另外还有一个 ICONFINDER 服务则号称有超过百万的图标,不过里面有部分需要付费下载。而今天要推荐的,则是我目前看过最大的免费 Icon 图标图库,它叫做 Icon Ninja。<b>它就像是一个搜索引擎,只要输入关键字就能找到 PNG 或 SVG 格式的文件,而且其目前的 Icon 文件数量号称有接近 90 万个。</b>打开 Icon …