[2854] Date Line

Title Text:They estimate the rocket should be free by approximately … uh … well, in about two hours. Origin:https://xkcd.com/2854/ https://www.explainxkcd.com/wiki/index.php/2854:_Date_Line 日期变更线 他们估计应该在大约……嗯……差不多两小时内就能把火箭解救出来。 https://xkcd.in/comic?lg=cn&id=2854 国际日期变更线是地球上靠近反经线(180度)的一个名义线,表示相邻地区的完整日历日期差异(加上或减去“正常”时间的调整)。 它会导致您可能面临的三种情况之一,通常是当您(在您的时区)从晚上… Read more

Categories:

[2853] Redshift

Title Text:So do you have any plans for z=-0.000000000000045? Origin:https://xkcd.com/2853/ https://www.explainxkcd.com/wiki/index.php/2853:_Redshift 红移 那到z=-0.000000000000045时,你准备做些什么? https://xkcd.in/comic?lg=cn&id=2853 在这部漫画中,马尾辫使用宇宙学术语回答她第一次对早期宇宙宇宙学感兴趣是在 5.4 年前,接着 Cueball 在标题文本中问她是否有计划在五个半小时后。一个解读是他们是两个同事出去吃午饭,Cueball 非常喜欢她的宅男答案,因此想在下班后邀请她共进晚餐。 红移指示我们现在观察到的遥远天… Read more

Categories:

[2852] Parameterball

Title Text:The ball’s density also varies, but players don’t learn the value until after choosing their raquets. The infamous ‘bowling ball table tennis’ region of the parameter space often leads to equipment damage. Origin:https://xkcd.com/2852/ https://www.explainxkcd.com/wiki/index.php/2852:_Parameterball 参数球 球的密度也会发生变化,但玩家只有在选择球拍之后才能得知球的密度值。在一些特定的组合下,像臭名昭著… Read more

Categories:

[2851] Messier Objects

Title Text:The debate over the correct Messier number for the Ship of Theseus is ongoing. Origin:https://xkcd.com/2851/ https://www.explainxkcd.com/wiki/index.php/2851:_Messier_Objects 梅西叶天体 对于“忒修斯之船”的梅西叶编号的辩论仍在进行。 注释:梅西叶天体是指法国天文学家查尔斯·梅西叶编制的《星云星团表》中列出的那些看起来容易与彗星混淆的非彗星天体。 https://xkcd.in/comic?lg=cn&id=2851 这部漫画戏弄了梅西耶目录,这是18世纪法国天文学家查尔斯·梅西耶编制的一个著名天文物体列表,列出了“不是彗星”的天文物… Read more

Categories:

[2850] Doctor’s Office

Title Text:”The police told me I can’t be a doctor, but whenever they show up I just go into the Google Maps settings page I found and change the house to ‘Police Headquarters’ and then they have to do what…

Categories:

[2849] Under the Stars

Title Text:If you live in Los Angeles (around 33掳52’N, roughly the latitude of Hermosa Beach) the black hole in V404 Cygni passes over you each day. On Christmas Day it will be directly overhead around 2pm. Origin:https://xkcd.com/2849/ https://www.explainxkcd.com/wiki/index.php/2849:_Under_the_Stars 在星空下 如果你住在洛杉矶(大约33°52‘N,大约是赫莫萨海滩的纬度),天鹅座V404的黑洞每天都会从你头顶经过。圣诞节那天下午2点它会在你的正上方。…

Categories:

[2848] Breaker Box

Title Text:Any electrician will warn you to first locate and flip the house’s CAUSALITY circuit breaker before touching the CIRCUIT BREAKERS one. Origin:https://xkcd.com/2848/ https://www.explainxkcd.com/wiki/index.php/2848:_Breaker_Box 断路器盒 任何电工都会提醒你,在触碰断路器之前,首先要找到并关闭屋内的“因果律”断路器。 https://xkcd.in/comic?lg=cn&id=2848 配电箱,在这里称为“断路器箱”,也常被称为“保险丝盒”、“断路器面板”、“DB盒”等多种名称,是一… Read more

Categories:

[2847] Dendrochronology

Title Text:These anomalies are known as Miyake events, named for the pioneering scientist who discovered them and was tragically devoured by a carnivorous tree. Origin:https://xkcd.com/2847/ https://www.explainxkcd.com/wiki/index.php/2847:_Dendrochronology 树龄学 树木变成肉食性这个异常现象被称为 “三宅事件”,以发现这些异常现象并不幸被食肉树吞噬的先驱科学家三宅芙沙的名字命名。 注:2012年,日本物理学家三宅芙沙发现年轮在公元774年,有大量的放射性碳14,而且一次就是… Read more

Categories:

[2846] Daylight Saving Choice

Title Text:I average out the spring and fall changes and just set my clocks 39 minutes ahead year-round. Origin:https://xkcd.com/2846/ https://www.explainxkcd.com/wiki/index.php/2846:_Daylight_Saving_Choice 自由选择夏令时 我平均了春季和秋季的调整,把表全年调快了39分钟。 https://xkcd.in/comic?lg=cn&id=2846 夏令时(DST)是一种实践,最为人知的是将时钟提前一小时(尽管也曾使用过两小时的调整,以全年夏令时和季节性夏令时的组合)大约持续半年,通常从春季到秋季。靠近赤道的国家在冬季和夏季之间的… Read more

Categories:

[2845] Extinction Mechanisms

Title Text:The Late Heavy Bombardment was followed a few billion years later by the Comparatively Light but Oddly Specific Bombardment. Origin:https://xkcd.com/2845/ https://www.explainxkcd.com/wiki/index.php/2845:_Extinction_Mechanisms 灭绝机制 一场不那么猛烈但极有针对性的轰炸,在“后期重轰炸”过去几十亿年之后到来了。 注释: 1. Deccan Traps是印度的一个地区,译为“德干暗色岩”,有世界上最大的火成岩地形,由岩浆活动形成。 2. Late Heavy Bombardment “后期重轰炸期”,指距今约40亿… Read more

Categories: