I didn't say we shouldn't explore space. Human flight is very expensive and when there are accidents, the process gets even slower. We should do things in the proper order. At some point later in the 21st century, going to Mars will be routine and hopefully when we go, we'll stay. In the meantime, let's start building the other part of the 21st century that's missing. NYC to Tokyo in 3 hours. Living in Paris and commuting on a morning train to London for work. Robots that build robots, which fly to all the planets in our solar system.
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You might find this article interesting - "Why Explore Space? A 1970 Letter to a Nun in Africa." [1] (HN discussion [2]).
[1] http://launiusr.wordpress.com/2012/02/08/why-explore-space-a...
[2] http://news.ycombinator.com/item?id=4372563
I didn't say we shouldn't explore space. Human flight is very expensive and when there are accidents, the process gets even slower. We should do things in the proper order. At some point later in the 21st century, going to Mars will be routine and hopefully when we go, we'll stay. In the meantime, let's start building the other part of the 21st century that's missing. NYC to Tokyo in 3 hours. Living in Paris and commuting on a morning train to London for work. Robots that build robots, which fly to all the planets in our solar system.