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From: zdenek@heathcliff.columbia.edu (Zdenek Radouch)
Newsgroups: sci.med
Subject: Re: NDE's reply to Bruce Lowerre
Message-ID: <3625@columbia.UUCP>
Date: Wed, 29-Oct-86 14:13:06 EST
Article-I.D.: columbia.3625
Posted: Wed Oct 29 14:13:06 1986
Date-Received: Wed, 29-Oct-86 22:20:31 EST
References: <1366@utastro.UUCP>
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Reply-To: zdenek@heathcliff.columbia.edu.UUCP (Zdenek Radouch)
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Organization: Columbia University CS Department
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Keywords: scientific evidence

In article <1366@utastro.UUCP> anand@utastro.UUCP writes:
>> How does one test for the cord?  It would be boon to modern medicine to
>> detect the presence of the "silver cord" rather than depending on
>> electrocardiagrams to determine absolute death.
>
>Actually, with sensitive enough instruments (liquid helium cooled, to cut
>down noise) one can detect the same information in the biomagnetic field as
>is present in an electrocardiogram. But one must solve the inverse scattering
>problem in order to decrypt the data...

There is a practical reason for preferring EKG. In order to sufficiently
eliminate the noise in this method, the body under investigation has to be
liquid helium cooled, too. Such low temperatures have been known to cause
problems in laboratory animals.

zdenek

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 Men are four:
 He who knows and knows that he knows, he is wise - follow him;
 He who knows and knows not that he knows, he is asleep - wake him;
 He who knows not and knows that he knows not, he is simple - teach him;
 He who knows not and knows not that he knows not, he is a fool - shun him!

 zdenek@CS.COLUMBIA.EDU  or 	...!seismo!columbia!cs!zdenek
 Zdenek Radouch, 457 Computer Science, Columbia University,
 500 West 120th St., New York, NY 10027