In it we will examine some of the many recent developments in a few key fields and try, in a limited way, to forecast where they will take us in the next fifteen years or so.

• 在本书中，我们可以查询到近期的在一些关键领域及尝试中的发展情况，以一种有限的方式，去报告在接下来的十五年或更长的时间里，他们对人类的作用。