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Spark disk toy
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From: Ralph Down [SMTP:rjdown-at-fan-dot-net.au]
Sent: Wednesday, February 04, 1998 9:05 AM
To: Tesla List
Subject: Re: Spark disk toy
Tesla List wrote:
>
> ----------
> From: Christopher Stone [SMTP:stone-at-etak-dot-com]
> Sent: Tuesday, February 03, 1998 7:01 AM
> To: tesla-at-pupman-dot-com
> Subject: Re: FW: Spark disk toy
>
> This is probably a "plasma disk" as seen in Star Trek Borg
> episodes. Pretty expensive to be considered a toy! They do
> run on flyback type transformers and are very similar to a
> plasma ball except in disk form. There is a webpage, out there
> somewhere, about them and the company that makes them.
>
> I would like to make one too, so if anyone has any ideas how
> please post them!
>
> > From: Gary Lau 03-Feb-1998 0954 [SMTP:lau-at-hdecad.ENET.dec-dot-com]
> > Sent: Tuesday, February 03, 1998 9:02 AM
> > To: tesla-at-pupman-dot-com
> > Subject: Spark disk toy
> >
> > I recently saw a cool toy at a store (something like a Spencer Gifts) in
> > the mall. The unit is a disk, about 2 feet in diameter. The disk is
> > made of two plates of glass with a small seperation between them. When
> > running, sparks appear to originate from the center of the disk and
> > continuously and randomly shoot outward to the edges of the disk. The
> > inside surface of the disk appears to be coated with something that gives
> > it a pixelated appearance.
> >
> > Anyone know what might be going on here? Is this something one could
> > easily construct, powered by a flyback transformer based power supply?
> >
> > Gary Lau
> > Waltham, MA USA
> >
> >
> >
http://www.amazing1-dot-com/plasma.htm
I think this is the page referred to.
Ralph Down