Re: Crazy idea... dry ice curtain -- could it work?



Great looking product, Tomi, I had not seen that one. It looks like the fog
is fairly flat, but very thin. I suspect there would have to be some
additional masking immediately behind the 'screen' to hide an actor.

Bill


"Tomi Holger Engdahl" <then@xxxxxxxxxxxxxxxxxxxx> wrote in message
news:lajhddepgrv.fsf@xxxxxxxxxxxxxxxxxxxxxxx
> "Jack" <jackjohansson@xxxxxxxxx> writes:
>
>> I am doing an event and I want to make a special effect as guests
>> leave. I want to project some video onto something that the guests
>> walk through as they leave.
>>
>> I am thinking of this, wonder if I am dreaming, or if it is possibly
>> do-able.
>
> There is one commercial company that makes technology that allows you
> to do this. That company is FogScreen Inc. http://www.fogscreen.com/
>
> Check their web site for details. This technology works.
> I have seen it in use in one stand at one technology fair.
>
>> I am thinking of a curtain of Dry ice CO, one which they could walk
>> through, but that I could also beam video onto.
>> To accomplish this I was thinking of making slightly pressurized
>> system* that I could put a horizonal PVC pipe above the heads of
>> guests, and have the CO come out of the pipe with tiny pin-holes
>> drilled every inch (or so) The CO would flow out of the holes and fall
>> to the floor, hopefully in an even enough pattern to allow a "surface'
>> to project video onto.
>
> FogScreen Inc. has done lots of development to get air flow
> that generates even enough surface to project image using video
> projector. Accordign what I have read getting to the point
> where this thing works wee enough was not easy.
>
> --
> Tomi Engdahl (http://www.iki.fi/then/)
> Take a look at my electronics web links and documents at
> http://www.epanorama.net/


.



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