Physics and computer science genius Stephen Wolfram, whose Mathematica computer language launched a multimillion-dollar company, now sets his sights on a more daunting goal: understanding the universe. Wolfram lets the world see his work in
, a gorgeous, 1,280-page tome more than a decade in the making. With patience, insight, and self-confidence to spare, Wolfram outlines a fundamental new way of modeling complex systems.

Konrad Zuse baute die erste vollautomatische, programmgesteuerte und frei programmierte, in binArer Gleitpunktrechnung arbeitende Rechenanlage. Sie war 1941 betriebsfAhig. Mit anderen Worten: Konrad Zuse baute den ersten funktionsfAhigen Computer. In diesem Buch erzAhlt er die Geschichte seines Lebens, das wie kaum ein anderes mit der Geschichte der bedeutendsten technischen Entwicklung seines Jahrhunderts verbunden ist - einer Entwicklung, die mit der "Abneigung" des Berliner Bauingenieurstudenten Zuse gegen die statischen Rechnungen begonnen hat... "Von der ersten bis zur letzten Seite ist diese Autobiographie eine faszinierende LektA1/4re, weil aus jeder Zeile das persAnliche Erleben des Autors spricht. Diese Unmittelbarkeit macht Buch und Autor sympathisch." (ntz Nachrichtentechnische Zeitschrift) ..".FA1/4r entspannende und erholsame Stunden, informativ und allgemeinbildend, eigentlich genau das, was im Zusammenhang mit dem Thema Computer sehr oft gefragt und verlangt wird... Unser Tipp: Sehr empfehlenswert" (PASCAL)

First published in 1958, John von Neumann's classic work "The Computer and the Brain" explored the analogies between computing machines and the living human brain. Von Neumann showed that the brain operates both digitally and analogically, but also has its own unique statistical language. And more than fifty years after its inception the "von Neumann architecture" - an organizational framework for computer design - still lies at the heart of today's machines. In his foreword to this new edition, Ray Kurzweil, a futurist famous for his own musings on the relationship between technology and consciousness, places von Neumann's work in a historical context and shows how it remains relevant today.

The practice of enterprise application development has benefited from the emergence of many new enabling technologies. Multi-tiered object-oriented platforms, such as Java and .NET, have become commonplace. These new tools and technologies are capable of building powerful applications, but they are not easily implemented. Common failures in enterprise applications often occur because their developers do not understand the architectural lessons that experienced object developers have learned. Patterns of Enterprise Application Architecture is written in direct response to the stiff challenges that face enterprise application developers. The author, noted object-oriented designer Martin Fowler, noticed that despite changes in technology--from Smalltalk to CORBA to Java to .NET--the same basic design ideas can be adapted and applied to solve common problems. With the help of an expert group of contributors, Martin distills over forty recurring solutions into patterns. The result is an indispensable handbook of solutions that are applicable to any enterprise application platform. This book is actually two books in one. The first section is a short tutorial on developing enterprise applications, which you can read from start to finish to understand the scope of the book's lessons. The next section, the bulk of the book, is a detailed reference to the patterns themselves. Each pattern provides usage and implementation information, as well as detailed code examples in Java or C#. The entire book is also richly illustrated with UML diagrams to further explain the concepts. Armed with this book, you will have the knowledge necessary to make important architectural decisions about building an enterprise application and the proven patterns for use when building them. The topics covered include * Dividing an enterprise application into layers * The major approaches to organizing business logic * An in-depth treatment of mapping between objects and relational databases * Using Model-View-Controller to organize a Web presentation * Handling concurrency for data that spans multiple transactions * Designing distributed object interfaces

《自然哲学的数学原理》主要内容简介：我们把长期期待的新版牛顿的哲学奉献给您，善意的读者，它含有许多修订和增补。这一无与伦比的著作的主要内容，可从所附的目录中得知；增补和改动的内容在作者的序言中已给予指示。剩下要我们增加的是关于这一哲学的方法这方面的东西。
从事物理学研究的人大致可分为三类。其中的一些人给每一类事物赋予特别的且隐蔽的质，然后由此宣称每个物体的行为属于人所不知不识的方式。源自亚里士多德和逍遥学派的经院学派的整个教义基于此。的确他们断言每一种效果起源于物体的特别的性质；但他们没有教我们那些性质从何而来，因此他们什么也没有教。且因为他们全都关心事物的名称而不是事物本身，他们应被认为是发明了哲学谈论，而并未传习哲学。
所以，其他人希望通过抛弃这些无用的混杂的词汇，以辛勤的努力获得称誉。且因此他们以为所有的物质是同质的，在物体上被辨别出来的各种变形起源于构成它们的小部分的非常简单的和极容易理解的相互关系。如果他们不把小部分的原始的相互关系归之于自然所赋予的关系之外的关系，他们建立的从简单事物到更复杂的事物的进程是正确的。