Although higher mathematics is beautiful, natural and interconnected, to the uninitiated it can feel like an arbitrary mass of disconnected technical definitions, symbols, theorems and methods. An intellectual gulf needs to be crossed before a true, deep appreciation of mathematics can develop. This book bridges this mathematical gap. It focuses on the process of discovery as m...(展开全部)

Although higher mathematics is beautiful, natural and interconnected, to the uninitiated it can feel like an arbitrary mass of disconnected technical definitions, symbols, theorems and methods. An intellectual gulf needs to be crossed before a true, deep appreciation of mathematics can develop. This book bridges this mathematical gap. It focuses on the process of discovery as m...(展开全部)

Although higher mathematics is beautiful, natural and interconnected, to the uninitiated it can feel like an arbitrary mass of disconnected technical definitions, symbols, theorems and methods. An intellectual gulf needs to be crossed before a true, deep appreciation of mathematics can develop. This book bridges this mathematical gap. It focuses on the process of discovery as m...(展开全部)

只要经历过战场，每个人都会对战争有着更为痛彻的思考，科尼利厄斯•瑞恩就是其中一位。 身为二战时期杰出的战地记者，瑞恩曾随同美国陆军第8、第9航空队参与14次轰炸行动，亲历诺曼底登陆，跟随巴顿将军的第3集团军挺进法国和德国，直至攻克柏林。在前线，瑞恩与成千上万的亲历者密切接触。不论是艾森豪威尔、巴顿、蒙哥马利这些军事天才，还是登陆诺曼底、参与市场-花园行动的年轻士兵，抑或纳粹将领海因里希、沦陷区的柏林市民，都在他的笔下保留了当时历史的真实记忆。《时代》周刊评论道，科尼利厄斯•瑞恩以近距离观察战争的眼光，历经鲜血和死亡的灵魂，完成了普通作家“不可能完成的任务”。 战争带来的伤痛，曾经深深嵌入亲历者的生命，让他们重拾那段记忆并不容易。从1956年起，瑞恩陆续奔赴德、法、苏联，耗时近20年寻找幸存者，在寻访5000多位见证人之后，最终完成这部杰作“二战史诗三...(展开全部)

黑历史，别看，求你了。

黑历史，别看，求你了。

Eugene Pleasants Odum (September 17, 1913 – August 10, 2002) was an American biologist at the University of Georgia known for his pioneering work on ecosystem ecology. He and his brother Howard T. Odum wrote the popular ecology textbook, Fundamentals of Ecology (1953). The Odum School of Ecology is named in his honor. Odum won the Tyler Prize for Environmental Achievement (1977...(展开全部)

What goes on inside the mind of a rock-star mathematician? Where does inspiration come from? With a storyteller’s gift, Cédric Villani takes us on a mesmerising journey as he wrestles with a new theorem that will win him the most coveted prize in mathematics. Along the way he encounters obstacles and setbacks, losses of faith and even brushes with madness. His story is one of c...(展开全部)