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n2doc Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Aug-23-09 02:20 PM
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Upwards lightning caught on film
By Judith Burns
Science and Environment Reporter, BBC News

Scientists have photographed "upwards lightning", a rarely-seen phenomenon where electricity from storms flows into the upper atmosphere.

During last year's Tropical Storm Cristobal, lightning reached more than 60km (40 miles) up.

Also known as "gigantic jets", these events are just as powerful as cloud-to-ground lightning bolts.

The team from Duke University, in the United States, also took radio measurements of the electrical charge.

more:

http://news.bbc.co.uk/2/hi/science/nature/8214290.stm

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Recursion Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Aug-23-09 02:26 PM
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1. del dot E = rho / e0
Awesome
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truedelphi Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Aug-23-09 04:09 PM
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2. Thanks for posting.
Edited on Sun Aug-23-09 04:09 PM by truedelphi
Justg when you thought it wa safe to go back into the upper atmposphere!

Damn. I had rigged up my lawn chair with balloons only yesterday. And now this.
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imdjh Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Aug-23-09 04:28 PM
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3. My mom honestly believes she has seen ball lightning.
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