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From: cipher@mmm.UUCP (Andre Guirard)
Newsgroups: net.physics,net.puzzle,net.sci
Subject: Re: A Sane Man Proposes A Time Travel Experiment
Message-ID: <1035@mmm.UUCP>
Date: Mon, 4-Aug-86 17:39:53 EDT
Article-I.D.: mmm.1035
Posted: Mon Aug  4 17:39:53 1986
Date-Received: Wed, 6-Aug-86 08:59:21 EDT
References: <289@axiom.UUCP> <1992@sequent.UUCP> <2913@pucc-h>
Reply-To: cipher@mmm.UUCP (Andre Guirard)
Organization: 3M Company, St. Paul, Minn.
Lines: 26
Keywords: "I gotta take this idea into the 80's."
Xref: watmath net.physics:4746 net.puzzle:1937 net.sci:1456

In article <2913@pucc-h> ags@pucc-h.UUCP (Dave Seaman) writes:
>In article <1992@sequent.UUCP> brian@sequent.UUCP (Brian Godfrey) writes:
>>>Get a bunch of detectors of all sorts--electromagnetic (video cameras,
>>>Then pick a spot that is durable (won't move very far over the course
>>>Then pick a time that is also precisely known--use several methods if
>>>possible.
>>>Then widely publicize and permanently store this information (time, place,
>>>At the time chosen, just listen for messages coming in from the future.
>
>The experiment would be no less valid if you pick a time and place on the
>spur of the moment and do the listening first, then widely publicize the 
>time and place and store the information after the fact.  Of course you 
>must carry through, even if you don't detect anything.  Somehow this seems 
>doomed to failure.

In fact, the experiment is not valid _unless_ you do the listening
before you publicize the time and place.  If you do it the other way
'round there's no way to rule out the possibility that somebody is
actually sending you a message from the present.
-- 
===+===                                         Andre Guirard
 /@ @\                                          ihnp4!mmm!cipher
/_____\
( @ @ )    My mission: to explore strange new words.
 \ _ /     To seek out and utilize new applications.
  `-'      To shovel snow that snow plows have shoved before.