本书是麻省理工学院的 网络明星 、当年让比尔 盖茨着迷的物理教授沃尔特 卢因,给大学本科生上的物理导论课的节选,他讲授的课程非常受欢迎,这些讲课录像已成为YouTube和iTunes上最受欢迎的教学内容。 在这本半自传性的书中,卢因教授以前所未有的角度,揭示隐藏在周围世界中的美和力量。他的目标只有一个:让学生爱上物理,并且一生都能用不同的方式看世界!
In his first book since the bestselling Fermat's Enigma ,Simon Singh offers the first sweeping history of encryption,tracing its evolution and revealing the dramatic effects codes havehad on wars, nations, and individual lives. From Mary, Queen ofScots, trapped by her own code, to the Navajo Code Talkers whohelped the Allies win World War II, to the incredible (andincredibly simple) logisitical breakthrough that made Internetcommerce secure, The Code Book tells the story of the mostpowerful intellectual weapon ever known: secrecy. Throughout the text are cleartechnological and mathematical explanations, and portrayals of theremarkable personalities who wrote and broke the world's mostdifficult codes. Accessible, compelling, and remarkablyfar-reaching, this book will forever alter your view of history,what drives it, and how private that e-mail you just sent reallyis.
In this fascinating volume, today’s foremost scientistsdiscuss their own versions and visions of Einstein: how he hasinfluenced their worldviews, their ideas, their science, and theirprofessional and personal lives. These twenty-four essays are atestament to the power of scientific legacy and are essentialreading for scientist and layperson alike. Contributors include: Roger Highfield on the Einstein myth John Archibald Wheeler on his meetings with Einstein Gino C. Segrè, Lee Smolin, and Anton Zeilinger on Einstein’sdifficulties with quantum theory Leon M. Lederman on the special theory of relativity Frank J. Tipler on why Einstein should be seen as a scientificreactionary rather than a scientific revolutionary
For everyone who has looked up at the stars on a clear nightand longed to know more about them, here is the perfectintroduction and guide to discovering the stars. Discover the Stars leads you on a tour of all the stars andconstellations visible with the naked eye and introduces you todeep-sky objects that can be seen with binoculars or a simpletelescope. The tour is conducted by the editor of Astronomymagazine, Richard Berry, whose two-color, computer-plotted sky mapsand clear instructions make stargazing fun and productive from yourfirst night out. The heart of Discover the Stars is two sections of big, beautifulsky maps and charts. The first section features twelve maps thatshow the entire sky overhead as it appears during each month of theyear. These outline all the constellations visible anywhere in theNorthern Hemisphere, and the accompanying text reveals the richancient mythology that surrounds the star groups. The second section is made up of twenty-three star ch