How fast does gravity travel? When will the sun go nova? Who invented the light year? Will we ever travel to the stars? These are just some of the unusual and popular questions NASA astronomer Sten Odenwald answers in Back to the Astronomy Caf, based on his award-winning website "for the astronomically disadvantaged. " Since his acclaimed earlier book The Astronomy Caf publis...(展开全部)

How fast does gravity travel? When will the sun go nova? Who invented the light year? Will we ever travel to the stars? These are just some of the unusual and popular questions NASA astronomer Sten Odenwald answers in Back to the Astronomy Caf, based on his award-winning website "for the astronomically disadvantaged. " Since his acclaimed earlier book The Astronomy Caf publis...(展开全部)

President Bill Clinton gives us his views on the challenges facing the United States today and why government matters—presenting his ideas on restoring economic growth, job creation, financial responsibility, resolving the mortgage crisis, and pursuing a strategy to get us "back in the future business.” He explains how we got into the current economic crisis, and offers specifi...(展开全部)

President Bill Clinton gives us his views on the challenges facing the United States today and why government matters—presenting his ideas on restoring economic growth, job creation, financial responsibility, resolving the mortgage crisis, and pursuing a strategy to get us "back in the future business.” He explains how we got into the current economic crisis, and offers specifi...(展开全部)

A must-read for anyone who cares about the future of digital media, The Mobile Frontier explains not only the technological revolution that's upon us, but also the behavioral, cultural, and psychological changes (and opportunities) ushered in by mobile. If you're not listening to Rachel Hinman, you're not hooked up right. ----Josh Clark, Author, Tapworthy: Designing Great iPhon...(展开全部)

A must-read for anyone who cares about the future of digital media, The Mobile Frontier explains not only the technological revolution that's upon us, but also the behavioral, cultural, and psychological changes (and opportunities) ushered in by mobile. If you're not listening to Rachel Hinman, you're not hooked up right. ----Josh Clark, Author, Tapworthy: Designing Great iPhon...(展开全部)

Vannevar Bush, an "engineer's engineer" and early pioneer in computer development, was President Roosevelt's science advisor during World War II. He served brilliantly in that task, and among other activities set up the Manhattan Project to build the atomic bomb. Asked by President Roosevelt to prepare a plan for the postwar deployment of science for peace (some say he "enginee...(展开全部)

简介：看就完了

Introduction by Porochista Khakpour. "One of the most raved-about works of translated fiction this year"―Jonathan Sturgeon, Flavorwire Frontier opens with the story of Liujin, a young woman heading out on her own to create her own life in Pebble Town, a somewhat surreal place at the base of Snow Mountain where wolves roam the streets and certain enlightened individuals can see ...(展开全部)

前世魔王转生为呆萌少女，一边用神性拯救世界，一边为草莓蛋糕和恋爱烦恼发愁。