Title Text:These neutrinos were freshly produced by a local source just 8 minutes ago
Origin:https://xkcd.com/2643/
https://www.explainxkcd.com/wiki/index.php/2643:_Cosmologist_Gift
宇宙学家的礼物
http://xkcd.in/comic?lg=cn&id=2643
这部漫画显示了一个标有 30,000 个新鲜中微子和 4 个暗物质zeptogram 的盒子。这个盒子是送给宇宙学家的廉价礼物。送礼者并没有把那些东西放在盒子里——两者都只是穿过它，所以“礼物”就是它所占据的空白空间中的东西。虽然标题表明这对宇宙… Read more
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