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Don

We have had no reported problems - No complaints in 10 years of operation.

The strobing is fast - the pump is tied to the mains frequency - drip
frequency is 100Hz.

Love the exhibit! It creates lost of discussion between visitors.

Glen Moore
Science Centre and Planetarium
Wollongong, Australia


----- Original Message ----- 
From: "Don Marvel" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, March 19, 2008 6:40 AM
Subject: Strobe Drip


> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
institutions.
>
****************************************************************************
*
>
> Greetings,
>
> We're considering building a Strobe Drip exhibit, in which a steady drip
is
> optically captured by a strobe light so visitors can study the dynamics of
> individual drops and experiment with strobe rate and phase relationships.
> Aware of the potential hazard that strobes pose for people prone to
> seizures, we wonder what sort of experiences other museums have had with
> this sort of thing.  We know we'll need to position the exhibit carefully
> and provide a sign so that visitors are informed about the strobe before
> they encounter it.  Have any of you had issues with this, and what is the
> general feeling regarding risk (liability) vs. reward (visitor
experience)?
>
> Many thanks for your time and thoughts,
>
> Don Marvel
> Exhibits Director, WonderLab Museum of Science, Health and Technology
> 308 West 4th Street
> Bloomington, Indiana  47404
> # 812.337.1337 x22
> www.wonderlab.org
>
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Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.

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