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We have our plasma ball and a plasma disk within arms reach and had one 
report of someone touching both and reporting a shock. I strongly 
suspect in our case and most likly in yours it was static related. We 
were never able to duplicate it.

Max Scharfenberger wrote:

>ISEN-ASTC-L is a service of the Association of Science-Technology Centers
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>We have a large plasma ball on our exhibit floor and have had a few of our visitors receive shocks while interacting with the Plasma Ball.  The problem seems to occur when a visitor is touching the plasma ball and another visitor comes up and they make contact resulting in a shock between the people.  Has anyone had any similar situations occur and if so how have you handled it?
> 
>Thanks
>
>Max Scharfenberger 
>VP Programs 
>TELUS World of Science - Edmonton 
>11211 142 Street 
>Edmonton, AB  T5M 4A1 
>T (780) 452-9100 
>F (780) 455-5882 
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