Some claim that computers will, by 2050, achieve human capabilities. Of course, in some respects they already have.
Martin ReesCosmology does, I think, affect the way that we perceive humanity's role in nature. One thing we've learnt from astronomy is that the future lying ahead is more prolonged than the past. Even our sun is less than halfway through its life.
Martin ReesI hope that by 2050 the entire solar system will have been explored and mapped by flotillas of tiny robotic craft.
Martin Rees