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This happened some years ago while I was still working out on the 
museum floor. It was a Sunday and I was in the shop making a part, 
when a family consisting of a Father, Mother and their 10 year old 
daughter came up to talk to me across the wall that separates the 
shop from the museum floor.
The Father explained to me that they had built a Cloud Chamber for 
his daughter's science project, but that they couldn't get it to 
work. They had heard that we had a Cloud Chamber, and asked if could 
they go have a look at it to see if they could figure out what they 
were doing wrong.

I took them out to our Cloud Chamber.  They all looked down into it, 
and then the daughter looks up at her Dad and says; "Mine was doing 
this!"

-- 
Kua Patten MFA
Acting Director
Exploratorium Exhibit Services
3601 Lyon St.
San Francisco, CA 94123
Phone; 415-353-0409
Fax; 415-353-0433
www.exploratorium.edu

"Chaos demands to be recognized and experienced before letting itself 
be converted into a new order"
Hermann Hesse

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