Title Text:”All the companies whose blimps I shot fireworks at are mad, but MetLife is especially miffed because I dressed up as the Red Baron.” Origin:https://xkcd.com/2484/ https://www.explainxkcd.com/wiki/index.php/2484:_H-alpha H-alpha 所有被我用烟花射过广告艇的公司都发飙了，其中大都会人寿尤其愤怒，因为当时我打扮成了红男爵。 脚注： 警告！！！深空星云H-α滤镜的带宽比太阳H-α滤镜更宽，如果用来观测太阳，会伤害眼睛。 http://xkcd.in/comic?lg=cn&id=2… Read more