Superhuman Imagination

reason.com — A few decades ago, the most popular science fiction epics were stories that were set thousands or even 10,000 years in the future but involved human beings more or less like us and societies like our own, but with more advanced technology. Today, by contrast, many of the genre?s top writers are unwilling to speculate more than 20 years ahead. May 23, 2007 View in Crawl 4