Title Text:I was going to get you an alarm clock that occasionally goes off randomly in the middle of the night, but you can ignore it and go back to sleep and it’s fine. Origin:https://xkcd.com/2052/ https://www.explainxkcd.com/wiki/index.php/2052:_Stanislav_Petrov_Day Petrov上校纪念日 我本来打算设了一个闹钟，它会在半夜里随机地响起，但是很明显它被忽略了，我当时倒头就睡，真**棒。 https://mp.weixin.qq.com/s/5vj9sYl0kcD7C7dKf-Ot9w 斯……