Famed for his focused observation of nature, Flemish painter Jan van Eyck (c. 1395–1441) studied fauna and flora in their natural environment and under carefully chosen lighting conditions, and then achieved a breathtaking and convincing realism in his paintings. Each panel is a collection of minuscule details rendered with superb clarity from foreground to background—or at lea...(展开全部)

Grâce à cette exposition consacrée à Van Eyck, découvrez l'oeuvre de cet artiste flamand de la Renaissance, passé maître dans l'art du détail. Reconnu comme le fondateur du portrait occidental, il a laissé une série unique au monde d'effigies en buste ou en pied et a consacré une grande partie de son oeuvre aux représentations "mariales" et un grand nombre d'années au retable d...(展开全部)

本书为公版书，为不受著作权法限制的作家、艺术家及其它人士发布的作品，供广大读者阅读交流。汇聚授权电子版权。

What is the primary quality of great design? It moves. It moves us emotionally, travels from person to person, and takes us toward something better. Designers connect and build bridges that lead us to new places and expand what is possible. We tell productive untruths, then toil to make them reality. The practice shifts like a shadow and moves the target. When it does so, the p...(展开全部)

Maintaining the standard of excellence set by the previous edition, this textbook covers the basic geometry of two- and three-dimensional spaces Written by a master expositor, leading researcher in the field, and MacArthur Fellow, it includes experiments to determine the true shape of the universe and contains illustrated examples and engaging exercises that teach mind-expandin...(展开全部)

Maintaining the standard of excellence set by the previous edition, this textbook covers the basic geometry of two- and three-dimensional spaces Written by a master expositor, leading researcher in the field, and MacArthur Fellow, it includes experiments to determine the true shape of the universe and contains illustrated examples and engaging exercises that teach mind-expandin...(展开全部)

What is the primary quality of great design? It moves. It moves us emotionally, travels from person to person, and takes us toward something better. Designers connect and build bridges that lead us to new places and expand what is possible. We tell productive untruths, then toil to make them reality. The practice shifts like a shadow and moves the target. When it does so, the p...(展开全部)

Mobius strips and Klein bottles first caught my interest when I was in high school. I knew they were part of something called "topology" and I was eager to learn more. Sadly, neither the school library nor the public one had much on the subject. Perhaps, I thought, I will learn more about topology in college. In college I couldn't even sign up for topology until my senior year,...(展开全部)

艾兰（Sarah Allam） 著名汉学家。1945年出生于美国，1974年获加利福尼亚大学伯克莱分校博士学位。1972年始任教于英国伦敦大学亚非学院（SOAS），现为美国达慕思大学（Dartmouth College）“中国研究”讲座教授。主要从事甲骨文、青铜器、竹简的研究，并教授中国古代哲学文献，对先秦的文献、考古、思想和文化颇多涉猎。