Title Text:It’s always bothered me that you can’t cancel out an inverter by putting a second inverter after it. Origin:https://xkcd.com/2642/ https://www.explainxkcd.com/wiki/index.php/2642:_Meta-Alternating_Current 超交变电流 一直让我很烦的是，不能用第二个逆变器来抵消前一个。 http://xkcd.in/comic?lg=cn&id=2642 直流电是电子从电源单向流向被供电的物体，通过一个或多个导体，然后通过一个或多个其他导体返回电源，从而完成电路。电池产生直流电。它通常用于电子应用，包括… Read more

Title Text:It’s sad seeing those videos of turbine blade being torn apart in high winds, but it’s the only way they can disperse their seeds. Origin:https://xkcd.com/2641/ https://www.explainxkcd.com/wiki/index.php/2641:_Mouse_Turbines 田鼠们的涡轮机 看到那些涡轮机叶片在大风中支离破碎的画面有点伤感，但这是它们传播种子的唯一方式。 http://xkcd.in/comic?lg=cn&id=2641 贝雷帽盖伊和梅根在夏天散步，贝雷帽盖伊表达了他对夏日典型特征的欣赏。不过，考虑到漫画的其… Read more

Title Text:The math and philosophy people also claim everything, but the astronomers argue that the stuff they study really only comprises a small number of paper surfaces. Origin:https://xkcd.com/2640/ https://www.explainxkcd.com/wiki/index.php/2640:_The_Universe_by_Scientific_Field 按科学领域划分的宇宙 数学家和哲学家们也声称他们的研究内容组成了宇宙的全部，但是天文学家们争辩道，那些人研究的东西其实只组成了几张纸的表面罢了。 http://xkcd.in/comic?lg… Read more

Title Text:It’s nice how the end of the periodic table is flush with the edge these days, so I think we should agree no one should find any new elements after #118 unless they discover a whole row at once.…

Title Text:With most labs, the hushed horror stories are about something like dimethylmercury or prions, but occasionally you’ll get a weird lab where it’s about the soda machine or the drop ceiling. Origin:https://xkcd.com/2638/ https://www.explainxkcd.com/wiki/index.php/2638:_Extended_NFPA_Hazard_Diamond NFPA危险品菱形标识的拓展了解 在大多数实验室，无声的恐怖故事是由于二甲基汞或朊病毒，但偶尔你也会看到一个关于关于汽水机或吊顶的… Read more

Title Text:100he100k out th1s 1nno5at4e str1ng en100o501ng 15e been 500e5e50op1ng! 1t’s 6rtua100y perfe100t! …hang on, what’s a “virtuacy”? Origin:https://xkcd.com/2637/ https://www.explainxkcd.com/wiki/index.php/2637:_Roman_Numerals 罗马数字 100he100k out th1s 1nno5at4e str1ng en100o501ng 15e been 500e5e50op1ng! 1t’s 6rtua100y perfe100t! …等等，… Read more

Title Text:If you don’t end the 99 Bottles of Beer recursion at N=0 it just becomes The Other Song That Never Ends. Origin:https://xkcd.com/2636/ https://www.explainxkcd.com/wiki/index.php/2636:_What_If%3F_2_Countdown What If? 2 倒计时 如果你不在N=0时结束99 Bottles of Beer的递归，它就会变成”另一首永不结束的歌”。 http://xkcd.in/comic?lg=cn&id=2636 这部漫画将降临日历的想法发挥到了极致。它使用荒谬和晦涩的方式来衡量距离兰德尔的新书还有多少时间如果？2发布，… Read more

Title Text:Your scientists were so preoccupied with whether or not they should, they didn’t stop to think if they could. Origin:https://xkcd.com/2635/ https://www.explainxkcd.com/wiki/index.php/2635:_Superintelligent_AIs 超智能AI 你们的科学家都太执着于他们是否应该创造超智能AI，而非他们是否能够造出来。 http://xkcd.in/comic?lg=cn&id=2635 人工智能(AI) 是xkcd 上反复出现的主题。 超级智能人工智能，例如在假设的“奇点”情况下出现的理论，被认为是一种新型的通用人工智能… Read more

Title Text:Some organization has been paying to keep this up and it hasn’t been removed from search results. Seems like two votes of confidence to me. Origin:https://xkcd.com/2634/ https://www.explainxkcd.com/wiki/index.php/2634:_Red_Line_Through_HTTPS 穿过HTTPS的红色删除线 有某个组织一直付费维护这个网站；并且这么久了它也没被移除出搜索结果。对我来说，这看起来就像是两张信任票。 http://xkcd.in/comic?lg=cn&id=2634 一些 Web 浏览器显示 https 并… Read more

Title Text:Employment statistics have to correct for the fact that the Weird Bug Hotline hires a bunch of extra temporary staff every 17 years. Origin:https://xkcd.com/2633/ https://www.explainxkcd.com/wiki/index.php/2633:_Astronomer_Hotline 天文学求助热线 怪虫热线每17年都会雇一堆临时员工，基于这一事实，就业统计数据必须被更正！ http://xkcd.in/comic?lg=cn&id=2633 这部漫画是一个关于求助热线的笑话，以及为其配备的熟练人员的经验，他们经常不得不与对主题理解程度低得多的呼… Read more