本书摘录:
Author‘s Preface and Prologue
_ This was my second novel, which I wrote when I was 19, in my junior year at Columbia. I‘ve written better ones since. But readers interested in the archaeology of a writing career will probably find much to explore here.
Robert Silverberg
17 May 2008
FOR BILL EDGERTON
1933-1956
Prologue
The Lexman Spacedrive was only the second most important theoretical accomplishment of the exciting years at the dawn of the Space Age, yet it changed all human history and forever altered the pattern of sociocultural development on Earth.
Yet it was only the second most important discovery.
The Cavour Hyperdrive unquestionably would have held first rank in any historical assessment, had the Cavour Hyperdrive ever reached practical use. The Lexman Spacedrive allows mankind to reach Alpha Centauri, the closest star with habitable planets, in approximately four and a half years. The Cavour Hyperdrive--if it ever really existed--would h
......
全部内容,请购买此书。