File:  McKinley1968.txt
Dates:  3 April 2010
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Here is some information from classmates regarding the demonstrations at McKinley Junior High School in Albuquerque, New Mexico, during the spring of 1968.  AEP - 3 Apr 2010

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Lane Vance 06Jan2009
my memory of this is vague - I had not even thought of it before I spoke to Alden a few days ago; but I recall being in the McKinley Junior High School assembly - quite a ways from the presentation. I recall being amazed at the liquid nitrogen demonstation and I recall some type of horizontal wheel demonstration that stuck in my mind as 'perpetual motion' because the wheel continued to rotate long after I would have suspected that friction would have brought it to a stop...



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McKinley Jr High school assembly ~ Spring 1968 remembrance – Gary Wojnowski  1/6/09

 

I remember seeing an assembly one afternoon.  It may have been put on by people from Sandia Labs.  I remember its purpose was to interest us in science and careers in science.

 

I remember there were some liquid nitrogen demonstrations. (Freeze the rubber ball and shatter it with a hammer, freeze the flower and see how brittle it is . . .)

 

There were also some demonstrations and discussion about bearings and other low friction devices.  The one that stuck in my mind was a demonstration of the rolling properties of some "cylinders" that were not round, but had 3 lobes.  The important characteristic was the diameter of the cylinders was constant even if the radius was not.

 

As best I remember, the assembly was set up in north side of the cafeteria on some tables.  There was a man who led the assembly and he had an assistant or two.



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