It's hard to talk about relocating humankind to space without sounding a little insane, so we expected a volatile response to our March cover story. We got it. Some told us that planning for life among the stars is folly. Others appreciated the boldness of the researchers who dare to publicly debate the finer points of starship design. Here's a sampling. Being a "reengineered sentient machine" on a carefully selected space rock sounds like great fun. Meanwhile, here on Earth we have war, intolerance, murder, theft and hunger. What if the same amount of brainpower and money were directed at solving these problems? I know it sounds impossible and expensive. But so does everything else in this article.
展开▼
