Title Text:They’re robust against quantum attacks because it’s hard to make a quantum system that large Origin:https://xkcd.com/2626/ https://www.explainxkcd.com/wiki/index.php/2626:_d65536 65536面骰 它不易受到量子攻击，因为很难做出一个这么大的量子系统。 http://xkcd.in/comic?lg=cn&id=2626 在二进制计算中，16 位无符号数的范围从 0 到 65535，共有 65536 个唯一数，这个数字因此为软件工程师所熟知。以真正随机的方式生成大量数字是密码学中反复出现的问题，需要将私人消息发送给另一… Read more

Title Text:The combination croquet set/10-lane pool can also be used for some varieties of foosball and Skee-Ball. Origin:https://xkcd.com/2625/ https://www.explainxkcd.com/wiki/index.php/2625:_Field_Topology 场地拓扑学 槌球场地/10条跑道的泳池也可供某类桌上足球和投球使用。 http://xkcd.in/comic?lg=cn&id=2625 场地拓扑学是数学中的一门学科，但在这部漫画中，兰德尔正在研究用于各种运动的运动场的拓扑结构。漫画描绘了这样一种情况，即多用途运动设施的普遍做法已由“拓扑部门”组织起来，并由所有正… Read more

Title Text:Also, they’re getting increasingly worried that someone will accidentally hit the ‘retract’ button, and that the end of the cable thrashing around as it winds up could devastate the Earth’s surface. Origin:https://xkcd.com/2624/ https://www.explainxkcd.com/wiki/index.php/2624:_Voyager_Wires 旅行者数据线 同时，他们也越来越担忧有人会不小心按下‘回收’按钮，在数据线卷曲回收时尾端剧烈摆动，从而有可能损毁地表… Read more

Title Text:The film is set in 2018, but when Commander Bremberly chases the hologram through Times Square, there’s a billboard for Avengers: Age of Ultron. Depending on the date, that billboard would have been advertising either Infinity War or this…

Title Text:Thank you to Katie Mack for teaching me about this effect, and to Janelle Shane for describing redshifts as ‘like galaxies sinking into a pool of dilute blood,’ which is how I’ll see them from now on. Origin:https://xkcd.com/2622/ https://www.explainxkcd.com/wiki/index.php/2622:_Angular_Diameter_Turnaround…

Title Text:Oh sure, I know Keira Knightly, from the first movie in that series by The Land Before Time producer. You know, the franchise with the guy from Jurassic Park and Ghostwriter, and script work by Billie Lourd’s mom? Origin:https://xkcd.com/2621/…

Title Text:Donate now to help us find a cure for causality. No one should have to suffer through events because of other events. Origin:https://xkcd.com/2620/ https://www.explainxkcd.com/wiki/index.php/2620:_Health_Data 健康数据 现在就捐款吧，帮助我们寻找因果关系的疗法。没有人必须因为一些事件而遭受别的事件。 http://xkcd.in/comic?lg=cn&id=2620 Cueball在Ponytail 医生那里办公室收到考试或测试结果，但她的陈述令人沮丧地笼统，完全没有用。她说他的“数字”揭示了许多“测量”和“变量… Read more

Title Text:A medicine that makes you put two dots over your letters more often is a di盲retic. Origin:https://xkcd.com/2619/ https://www.explainxkcd.com/wiki/index.php/2619:_Cr%C3%AApe 带尖儿的薄“煎”饼 有种药用过后会让你在字母上多放两点，那就是利尿剂。 注释： 最后一句的diäretic玩的是diuretic利尿剂的双关，作者想说diäretic的“药效”就是在字母上“多”放两点。 http://xkcd.in/comic?lg=cn&id=2619 Cueball制作了可丽饼，这是一种薄煎饼，以其在法国美食中的传奇地位而闻名，他自豪地宣布了这一点… Read more

Title Text:We carefully sampled the general population and found that most people are familiar with acquiescence bias. Origin:https://xkcd.com/2618/ https://www.explainxkcd.com/wiki/index.php/2618:_Selection_Bias 选择性偏差 我们谨慎地对大众进行了抽样，并且发现大多数人都了解默许偏差这一概念。 注释：选择性偏差是指人们常常根据自己对特定事件的代表性观点，来估计某些事件发生的概率。这样人们可能错误地相信了“小数定律”，将一系列的负相关归因于一个确定的和独立分布的随机过程，从而出现偏差。 http://xkcd.in/comic?… Read more

Title Text:OpenStreetMap was always pretty good but is also now *really* good? And Apple Maps’s new zoomed-in design in certain cities like NYC and London is just gorgeous. It’s cool how there are all these good maps now! Origin:https://xkcd.com/2617/ https://www.explainxkcd.com/wiki/index.php/2617:_Maps…