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I certainly agree that there has been a lot of progress over the last 50 years. However I would still like to know which recently devised (or at least improved)
by xenonite 7y ago
I certainly agree that there has been a lot of progress over the last 50 years. However I would still like to know which recently devised (or at least improved) instrument lead NASA to open the seals just now. Or isn’t there any?