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Message: <blockquote data-quote="virajsameera" data-source="post: 7523906" data-attributes="member: 73611"><img src="http://cache.daylife.com/imageserve/05An7es5M9d17/610x.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />Did you know that lightning is capable  of generating a temperature of twenty seven thousand degrees Fahrenheit  and travel twenty thousand miles per second? <img src="http://www.ma.utexas.edu/users/kschalm/Lightning%20&%20Tornado.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />It  strikes somewhere on the earth a staggering six thousand times per  minute and generates approximately one hundred million tons of nitrogen  out of the air per year.  <img src="http://www.wunderground.com/data/wximagenew/r/rickhovanec/162.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />In  fact, a powerful lightning bolt can produce enough energy to lift a  large ocean liner an amazing six feet into the air.  <img src="http://www-tc.pbs.org/wgbh/nova/sciencenow/3214/images/02-vari-triggered.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />A bolt of "fossilized lightning" that has been  dated to be two hundred million years old was discovered on the Navajo  Indian Reservation in Arizona.  <img src="http://www.3dham.com/3dgalleries/fulgurites/fulguritedlg.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />The fossil was identified by Geologist Michael Purucker  because of the local magnetic field strength surrounding the discharge  site was still strong enough to re-magnetized grains of magnetic  minerals in the rock samples lying near the path of the lightning bolt.   <img src="http://www.building.co.uk/Pictures/436xAny/m/o/i/burj_dubai_lightning_3.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> Lightning has hit the Empire  State Building as often as twelve times in twenty minutes and as  frequently as five hundred times a year.  <img src="http://painlesspcservice.com/assets/images/Lightening.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />The most powerful lightning strike ever recorded in the  United States struck the Cathedral of Learning of the University of  Pittsburgh on July 31, 1947.  The bolt discharged approximately three  hundred forty five thousand amps.  This was enough current to light six  hundred thousand  60W light bulbs for the duration of the flash which is  only thirty five millionths of a second.  <img src="http://officespam.chattablogs.com/archives/lightning-bolt-hits-home-thumb.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />Many  people don't know that a lightning bolt can have either a positive or a  negative charge.  What we usually see striking the Earth are actually  negative bolts. <img src="http://www.ericscheske.com/blog/wp-content/uploads/2008/10/lightning.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />These  are produced when the lower part of a cloud becomes so saturated with  negatively charged particles that it will "short circuit" resulting in  the formation of the bolt.  On the other hand, positive bolts dissipate  and are largely unseen. Even so, they still carry a deadly charge. <img src="http://cache.boston.com/universal/site_graphics/blogs/bigpicture/chaiten_06_04/chaiten5a.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />A dramatic report of ball lightning comes from a  housewife in the Midlands area of England on August 8, 1975.  She was in  her kitchen in Smethwick during a very strong  thunderstorm.  A sphere of light about ten centimeters in diameter and  surrounded by a bright purple halo appeared over the stove.   <img src="http://atomikaztex.files.wordpress.com/2009/02/ball-lightning-over-county-general.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />The witness is quoted in saying "The ball seemed  to hit me below the belt, as it were, and I automatically brushed it  away from me and it disappeared.  Where I brushed it away there appeared  a redness and swelling on my left hand.  It seemed as if my gold  wedding ring was burned into my finger" and also reported that it  vanished with a bang! More Lightning Images <img src="http://wwwc.mentalfloss.com/wp-content/uploads/2008/12/lightning.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://www.noaanews.noaa.gov/stories2008/images/lightning3.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />   <img src="http://prepare.ua.edu/wp-content/uploads/2008/10/lightning_in_arlington1.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> <img src="http://universalgeneral.com/db4/00336/universalgeneral.com/_uimages/41k_CloudLightening.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />   <img src="http://new.dixie.edu/odr/Image/1Lightning.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>

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