Title Text:If you’re a geologist or geophysicist and you don’t introduce yourself by saying your name, then gesturing downward and saying “… and I study that”, I don’t know what you’re doing with your life. Origin:https://xkcd.com/913/ https://www.explainxkcd.com/wiki/index.php/913:_Core 这部漫画反映了这样一个事实：无论你在地球上的哪个地方，它的核心总是直接在你的下方，同时又非常热，并且承受着巨大的… Read more