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> Scientists capture first ever X-rays of lightning

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TSrobertngo
post Dec 18 2010, 12:12 PM, updated 15y ago

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http://www.dailymail.co.uk/sciencetech/art...-lightning.html

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It has long been known that lightning might produce X-rays but this is this first time they have been captured on camera.

The picture could help scientists better understand what causes lightning and predict its behaviour.

The grainy images were taken by Joseph Dwyer, a physics professor at the Florida Institute of Technology. He said: ‘This is actually sort of what Superman would see. Superman has X-ray vision.’

He added: ‘We understand how a star explodes halfway across the universe better than we understand the lightning right above our heads.’

The picture was taken with a huge camera fitted with 30 radiation detectors combined with software that turns voltage measurements into images.

Each detector contributes data to the picture, so the result looks like a photo with only 30 pixels.

Lightning occurs when a negative charge builds within a cloud and then is released downward, connecting with a positive charge. Once that connection is made the bolt of lightning discharges and we get the flash of colour we are familiar with.


Raju
post Dec 18 2010, 12:16 PM

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the doctors nothing to do bring the whole xray machine out to capture lightning?
[kuaLe]_AGX
post Dec 18 2010, 12:18 PM

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doctor NBTD
Raju
post Dec 18 2010, 12:19 PM

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next time bring the whole ultrasound machine to record thunder?
SUSStationMonkey
post Dec 18 2010, 12:21 PM

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Will they xray kentut?
DefxZ
post Dec 18 2010, 12:21 PM

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TSrobertngo
post Dec 18 2010, 12:22 PM

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understanding lightning is NBTD??
Zen-X
post Dec 18 2010, 12:24 PM

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there must be some reasons why they did that, understanding lightning..
u never know what their intention are..asyik asyik nak kutuk je..
Raju
post Dec 18 2010, 12:24 PM

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no, bring the whole xray machine outside is.
Raju
post Dec 18 2010, 12:25 PM

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QUOTE(Zen-X @ Dec 18 2010, 12:24 PM)
there must be some reasons why they did that, understanding lightning..
u never know what their intention are..asyik asyik nak kutuk je..
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what reason?
TSrobertngo
post Dec 18 2010, 12:26 PM

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QUOTE(Raju @ Dec 18 2010, 12:24 PM)
no, bring the whole xray machine outside is.
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why they need to x ray machine?
Zen-X
post Dec 18 2010, 12:26 PM

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"But scientists still not completely understand how that spark begins as electrical fields that have been measured in clouds seem too small account for it. And they do not yet understand whether X-rays actually play a role in how a lightning bolt forms and travels."

u can figure out this?
Raju
post Dec 18 2010, 12:26 PM

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QUOTE(robertngo @ Dec 18 2010, 12:26 PM)
why they need to x ray machine?
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to capture the xray of lightning?
TSrobertngo
post Dec 18 2010, 12:32 PM

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QUOTE(Raju @ Dec 18 2010, 12:26 PM)
to capture the xray of lightning?
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the x-ray machine use in hospital generate x-ray to pass through human body and create x-ray image on detector. this experiment only need detect the x-ray generate by the lightning itself.

This post has been edited by robertngo: Dec 18 2010, 12:33 PM
Raju
post Dec 18 2010, 12:34 PM

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QUOTE(Zen-X @ Dec 18 2010, 12:26 PM)
"But scientists still not completely understand how that spark begins as electrical fields that have been measured in clouds seem too small account for it. And they do not yet understand  whether X-rays actually play a role in how a lightning bolt forms and travels."

u can figure out this?
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existence of thor?
Raju
post Dec 18 2010, 12:35 PM

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QUOTE(robertngo @ Dec 18 2010, 12:32 PM)
the x-ray machine use in hospital generate x-ray to pass through human body and create x-ray image on detector. this experiment only need detect the x-ray generate by the lightning itself.
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oh. means they play play only.
Robin Hood
post Dec 18 2010, 12:35 PM

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so what does this indicates? anything significant?
clouds
post Dec 18 2010, 12:38 PM

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Nice..something to discover in future
mi-g
post Dec 18 2010, 12:43 PM

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ok hack3line will said that US is making their own weather weapon..
Mie131085
post Dec 18 2010, 12:44 PM

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QUOTE(Raju @ Dec 18 2010, 12:34 PM)
existence of thor?
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i lol at this
junky_man
post Dec 18 2010, 01:00 PM

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Effing lightnings, how do they work?
yeezai
post Dec 18 2010, 01:05 PM

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they should do pap smear on it
SUSPVCpipe
post Dec 18 2010, 01:40 PM

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just image processing..... data visualization
sonic_cd
post Dec 18 2010, 01:46 PM

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later got zeus picture .. lol
Hexism
post Dec 18 2010, 01:47 PM

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This proves the existence of Zeus
sonic_cd
post Dec 18 2010, 02:14 PM

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QUOTE(Hexism @ Dec 18 2010, 01:47 PM)
This proves the existence of Zeus
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and thor maybe ? lol
richrich
post Dec 18 2010, 02:16 PM

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stupid people is always stupid~

xray not only for medical imaging laa.. wake up.. grab your mouse and surf for knowledge..
Zen-X
post Dec 18 2010, 02:22 PM

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let them be like that smile.gif
toothgnasher
post Dec 18 2010, 02:39 PM

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could be this.
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