In a message dated 1/18/02 4:00:48 PM, [EMAIL PROTECTED] writes: << What I mean is that among all the little background details that get put in by the author, some of the ones that were anachronistic sf touches at the time the story was written have become reality in the intervening years and therefore invisible, and others haven't and are now anachronistic in a retro way, and only some kind of historian could tell. >>
I notice this often when I read older sci-fi. References to "Message tapes" can be found in many Niven and Heinlein stories. J
