Tuesday, November 3, 2009
Stephen Hawking asks why we haven't made contact
" If we should pick up signals from alien civilizations, Hawking warns,'we should be wary of answering back, until we have evolved' a bit further. Meeting a more advanced civilization, at our present stage,' Hawking says 'might be a bit like the original inhabitants of America meeting Columbus. I don't think they were better off for it.'"
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