Astronomy Site: Meade Advanced Products Users Group Archive: e: [M]: OT: filters and visual perception


 

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Subject: e: [M]: OT: filters and visual perception
From: Email address hidden
Reply To: mapug@shore.net
Date: Tue Oct 20 18:02:10 1998

While you're here, how about checking out the Astronomy Book List ?

Dan Dickerson wrote:

There is no way for anyone to know how anybody else "perceives" the world.
(Unless we allow for telepathy?) You may very well be right. I have wondered
about this very question for years. It has been shown that in the gross functions
and anatomy that everyone's brains are "wired" the same. Once you get down to
the finer details, though, that is not the case. Everyone is unique.

I have a friend who is a micro-biologest, she deals in electron-micrographs
magnified 1,000,000 - 10,000,000X. As Amature astromimers we typically deal
with magnifications of about 100 - 700X. We are dealing with the BIG and FAR,
she is dealing with the SMALL and NEAR.

She told me that the current state of medical science is very crude indeed.
Scientists and especially doctors (who are essentually layman) don't have
a clue as to how the body functions at a microscopic level.

As astronimers you all can appreciate the number of stars in a galixy
(400 billon) typically. Remember that the galixy is probably 100,000 LY in
diameter. Can you appreciate the number of chrmosome pairs in a typical
human skin cell is over 1,000,000. Remember the cell is only .1mm in diameter.


The microscopic world and the telescopic world are indeed extensions of our
optical senses. On clowdy nights consider looking through your microscope.
Pond water is interesting.

Edmund Scientific Co. of Barrington, NJ has a very interisting catalog of
microscopic items.

Expand your horizons and enjoy the very small as you enjoy the very far.
in a typical cell (less than .1mm in diameter)



Chris Frye
Silver Spring, MD

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