有时,足不出户的宅男也可以改变世界历史。比如,指引哥伦布发现新大陆的,就是一生只在一座城市生活的克罗狄斯·托勒密。1492年,当哥伦布从西班牙海岸出发,一路西行寻找遥远的东方时,他带着3艘帆船、87名水手,以及一本由托勒密编写的《地理学》。尽管那时,距离这本著作诞生已经过去了1300多年,但对于当时的欧洲人来说,它仍然是“对已知世界地理情况的最佳指 Occasionally, otaku who stays at home can change the history of the world. For example, Corolla Ptolemy, who guided Columbus in discovering the New World, lived in a single city for the rest of his life. In 1492, when Columbus set out on the Spanish coast and made his way westward looking for the Far East, he carried three sailboats, 87 sailors, and a ”geography“ by Ptolemy. Although more than 1,300 years have passed since the birth of this work, it remained the ”best indicator of the known world’s geography