books.google.co.in - This inquiry into the technical advances that shaped the 20th century follows the evolutions of all the principal innovations introduced before 1913 (as detailed in the first volume) as well as the origins and elaborations of all fundamental 20th century advances. The history of the 20th century is rooted...http://books.google.co.in/books/about/Transforming_the_Twentieth_Century_Techn.html?id=XvB1ZcsrDFAC&utm_source=gb-gplus-shareTransforming the Twentieth Century : Technical Innovations and Their Consequences