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Wednesday, June 18, 2008

Question of the Day, Wed 6/18

Lightning. Bad stuff. I had a classmate of mine die from lightning striking him a few years ago. So, I have a question today, but it feels more like a thought:

When lightning strikes the ocean, why doesn't the fish die?

12 comments:

  1. Funny, I've thought of that before! God is amazing! He created Mother nature.

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  2. http://wiki.answers.com/Q/If_lightning_strikes_the_ocean_while_you_are_in_it_how_close_does_the_strike_have_to_be_for_you_to_feel_it

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  3. The electricity is spread out over a much much larger area, therefore decreasing the amount of current in any one spot.

    http://www.weatherquesting.com/lightning-hits-fish.htm

    go there, that's what I found.

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  4. "Funny, I've thought of that before! God is amazing! He created Mother nature."

    he's so amazing, he saves fish!

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  5. Joe:

    Shocking, isn't it?

    Actually, the fish are "grounded", but so is everything else in the sea, and the water attenuates the charge over a huge grid -- that increases exponentially from the point of impact. If very near that point, some trauma occurs due to the level of energy.

    Writing from the grave, I am, sincerely,

    Nicolai Tesla

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  6. Right, Joe. The same reason men can work on still-active high voltage electric lines high up in the air...if they aren't grounded, the electricity passes through them (and the fish) harmlessly.

    Here's a great look at the process at work.

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  7. When I was in China at the American Legation in 1946, a radio jeep pulled into the parade area in back of the barracks and the driver did not realize his long, long antenna was sitting on a high tension line. Well, he was fine while in the jeep, but as soon as he stepped out he was killed by a bolt of electricity. (not to mention that the radio was zapped too) This will show how the fish get away unscathed too, I guess.

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  8. strom thurmond...

    That was a GREAT video! Thank you for sharing!!!

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  9. I also lost a friend to lightning back in high school. Do not believe the old myth that wearing rubber-soled shoes will protect you. He was wearing them and died!

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  10. Fish that are close to the strike will die or be stunded for a short period. They use electrical shocks to test fish populations.

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  11. Actually the fish are very much grounded by the water, which is an excellent conductor. In fact, the water is such a good conductor a strike to the surface quickly dissapates over the surface rather than penetrates into it. If a fish is swimming some distance below the surface the energy is dissapated before it reaches down into the water. If a fish, or person, was swimming on the surface there is a good chance a zap would be felt close to a strike.

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