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philjohn
on Jan 27, 2012
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How Much Is an Astronaut's Life Worth?
I think the families of the tens of thousands of people killed in the Japanese Tsunami last year would disagree.
heliodor
on Jan 27, 2012
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Yes, one day space will hurl us an asteroid and we'll be doomed.
My point was regarding transportation through a given medium.
moonchrome
on Jan 27, 2012
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Still it's undeniable that progress has been made. It's incremental and there are trade-offs, in the future we could have protective domes spanning entire cities that would withstand that amount of pressure for eg.
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