[ RadSafe ] " X-rays from lightning photographed "

[North, David]

The current hypothesis is that cosmic ray showers can trigger the breakdown
of air under extreme voltages, leading to lightning stroke formation.

David L. North, Sc.M., DABR
Associate Physicist
Main Building, Rm 317
Rhode Island Hospital
593 Eddy St.
Providence, RI 02903
w: (401)444-5961
f: (401) 444-4446
dnorth at lifespan.org




On 12/15/10 11:43 AM, "Brennan, Mike  (DOH)" <Mike.Brennan at DOH.WA.GOV>
wrote:

> I wonder if anyone has looked at outdoor radon (and decay products) in
> connection with lightening.  The slight ionization of air due to decay
> of these airborne isotopes might provide preferred pathways for the
> discharge of the electrical charges.
> 
> Just a thought.
> 
> -----Original Message-----
> From: radsafe-bounces at health.phys.iit.edu
> [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Bailey, Pete
> Sent: Wednesday, December 15, 2010 4:42 AM
> To: 'The International Radiation Protection (Health Physics) Mailing
> List'
> Subject: Re: [ RadSafe ] " X-rays from lightning photographed "
> 
> The Florida Chapter HPS had a presentation from someone that works in
> the lightning test facility at KSC...
> 
> Although he may have erroneous used the term 'gamma' radiation (during
> the presentation) ,
> there is quite a bit of evidence that a lightning bolt generates some
> form of
> very hi energy (i.e., 8 to 10 MeV) photon radiation.
> 
> -----Original Message-----
> From: radsafe-bounces at health.phys.iit.edu
> [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Jaro Franta
> Sent: Wednesday, December 15, 2010 7:34 AM
> To: radsafe at health.phys.iit.edu
> Subject: [ RadSafe ] " X-rays from lightning photographed "
> 
> http://www.physorg.com/news/2010-12-x-rays-lightning.html
> X-rays from lightning photographed
> December 14, 2010
> By Carrie Peyton Dahlberg
> 
> Using a custom-built camera the size of a refrigerator, Florida
> researchers
> have made the world's first crude pictures of X-rays streaming from a
> stroke
> of lightning. 
> 
>  . . .
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