Re: Subject: Re: Recipe For "Funny" Liquid

[Joel Rauber <Joel_Rauber@SDSTATE.EDU>]

I don't know dates, but I recall seeing a videotape done by Jearl Walker
(of
"flying circus of physics" fame) around 10 years ago doing this demo.  I
always assumed that the lore has existed for decades.

Joel Rauber
Joel_Rauber@sdstate.edu


> -----Original Message-----
> From: phys-l@lists.nau.edu: Forum for Physics Educators
> [mailto:PHYS-L@lists.nau.edu]
> Sent: Friday, September 22, 2000 1:52 PM
> To: PHYS-L@lists.nau.edu
> Subject: Re: Subject: Re: Recipe For "Funny" Liquid
>
>
>
> At 8:52 AM -0400 9/22/00, S.Goelzer,  you wrote about Re: Recipe For
> "Funny" Liquid:
>
> >  > For a variation on the theme - use mineral oil INSTEAD
> of water. Make
> >  > a similar consistency and watch the viscosity shoot up
> when you bring
> >  > an electrically charged object near the flowing liquid. A rubber
> >  > balloon will 'solidify' the stuff.
> >  >
> >
> > I cannot wait to try this! Is there a reference on the physics?
> >
> > Scott
>
>
> I don't have a reference but I CAN tell you that I personally 'stole'
> the idea from David Haas of the NCSU physics folks. (maybe HE could
> trace it back further.)
>
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