FreeLists / az-observing / [AZ-Observing] Re: [Fwd: CHECK THIS RAINBOW!]

["Dan Heim" <dan@xxxxxxxxxxxxx>]

Jeff,

Oh yeah ... I done that microwave version.  Very cool.  I've also crushed
rock candy in a totally dark room.  I don't know of any photos of natural
ball lightning.  Here's the link to a cool shot of the latest lab version:
http://www.physorg.com/news68812957.html

Dan

----- Original Message ----- 
From: "Jeff Hopkins" <phxjeff@xxxxxxxxxxx>
To: <az-observing@xxxxxxxxxxxxx>
Sent: Monday, March 12, 2007 4:13 PM
Subject: [AZ-Observing] Re: [Fwd: CHECK THIS RAINBOW!]


> Dan,
>
> Lots of picture abound of ball lightning. My son did a high science
> project on Ball Lightning.
> He used a Van de Graaff high voltage generator to produce small balls
> of lightning.
>
> An easier way is with a microwave oven.
>
> Check
>
> http://jlnlabs.online.fr/plasma/gmr/index.htm
>
> Jeff
>
> At 15:48 -0700 03/12/2007, Dan Heim wrote:
> >The rarest "atmospheric phenomena," if you leave it at that and don't
> >specify "optical," would have to be ball lightning.  Reported,
> >scientifically credible, and recently simulated in the lab, but never
caught
> >on film.  That's my vote anyway.
> >
> >Dan
>
> -- 
> Jeff Hopkins
> HPO SOFT
> Counting Photons
> http://www.hposoft.com/Astro/astro.html
> Hopkins Phoenix Observatory
> 7812 West Clayton Drive
> Phoenix, Arizona 85033-2439 U.S.A.
> (623)849-5889
> (623) 247-1190 (Fax)
> www.hposoft.com
> --
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