The Beginning of Infinity

'If it weren't for technology, i would die within ours,' he says. 'We evolved to find new environments and change the environment such that they can live comfortably there' He argues knowledge in principle has infinite reach - if you don't include this then you are missing out on something fundamentally important. The issue of whether a spaceship can get there is a matter of what we decide to do,. It's also a matter of the laws of physics.'