Have you considered using a light sensitive sensor like a CdS cell to make
a light organ. It's a pretty simple and straight forward circuit that will
react
to varying levels of light falling on the sensor.


At 04:32 PM 6/13/2002 +0000, you wrote:
>An artist I know has created a sculpture consisting of a several
>kilometers of pink wire rolled into a giant sphere of about 90cm
>diameter. She wants me to make this sculpture interactive so that it
>makes sounds when people touch or make gestures over an aura around
>it. I thought it might be possible to make a hollow version of this
>sculpture with speakers and electronics hidden inside, and to use
>the two sides of the sphere like the aerials of a theremin. Theremin sounds
>aren't exactly what she wants - its the gestural interactivity that is the
>important bit.Is this likely to be possible? I don't know much about what
>properties aerials have to have to make them work, will any old bit of wire
>do the job? Will a large hemispheric tangle of copper wire with pink
>plastic insulation do the trick? How will the electric field around
>this aerial behave if so? And how difficult is it likely to be for me
>(someone with basic electronics experience)to build a theremin
>circuit.. Have also been considering hiding infrared proximity detectors
>under the wire and using them to trigger/ increase volume of sound stored on
>a chipCorder device.
>
>Any advice, links or suggestions much appreciated! I'm not an electronics
>expert so I'm looking for a fairly simple solution..
>Sam.
>
>
>_________________________________________________________________
>Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp.
>
>--
>http://www.piclist.com hint: The PICList is archived three different
>ways.  See http://www.piclist.com/#archives for details.
>
>

_____________________________________________________________
Cris Wilson
Information Resource Consultant
College of Architecture, Arts, and Humanities
Clemson University
cris@clemson.edu
To report problems email: aah_computers@clemson.edu

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.