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Originally Posted by rock
I like the imagination of it all, and I like the fact that someone questions the norm.
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Lots of people do. The ones worth listening to are scientists (you want to write the most cited paper of the century? blow "the norm" to bits). The ones not worth listening to are crackpots. Learning to distinguish between the two is an essential skill.
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Just think about the pundits who said the World was round and was chastise for it.
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Name a few?
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Of course this was written in 1968 and we know a lot more today then we did then, so maybe at that time it was different.
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It was stupid in 1968, too.
Oh, as for why visiting aliens would have to be of a higher tech level than we are: We don't have interstellar travel at our tech level, so anyone who does is necessarily ahead of us. Probably way ahead of us.
Certainly far enough ahead of us that their researchers would be using some super-tech version of MRI scans, not anal probes. Just sayin'