uhm.. i don't know if diapers came out...
i have looked to see how much 'return' we are actually getting from the space program before and it was not much..
i wonder if there is a cost/benefit analysis of that whole thing.
it's a "cool" thing to do, the whole dream of walking on moon ( before ) and walking on Mars now..
however from a practical standpoint, I think we have better places to spend the money..
lets China do the heavy lifting for now..

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Человек, который почувствовал ветер перемен, должен построить не щит от ветра, а ветряную мельницу