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how much water does it take to survive a nuke like in the ending of the movie Predator?

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  • how much water does it take to survive a nuke like in the ending of the movie Predator?

    Like if you had a swimming pool with a deep end and jumped to the bottom, would that be good enough? Assume .25 mile distance from the device and a small fission device.

  • #2
    I guess it's the difference between being roasted or boiled.
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    • #3
      The Predator nuke was very small, sub-kiloton. A hottub might do.
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      • #4
        But, would you glow in the dark?

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        • #5
          Is the nuke detonated in or above the water? If in, I suspect the shock wave would kill you a long way away.

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          • #6
            Are we trying to determine how much water a normal person would need to survive? Or how much water Arnold Schwarzenegger would need (answer: none)?

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            • #7
              Is the water being held in a fridge?
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              • #8
                Is it a European or African nuke?

                ACK!
                Don't try to confuse the issue with half-truths and gorilla dust!

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                • #9
                  Interesting question. Are we talking about the radiation only? Water is a good protector against radiation. A minimal thickness (6"? 1'?) is sufficient to shield human beings against radiation on a spaceship outside the Van Allen belts, for instance.

                  In any event, I would like to see the actual calculations.
                  Last edited by DanS; March 9, 2009, 11:13.
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                  • #10
                    Originally posted by Koyaanisqatsi View Post
                    Is the water being held in a fridge?
                    Damn, beat me to it
                    Unbelievable!

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                    • #11
                      Originally posted by Koyaanisqatsi View Post
                      Is the water being held in a fridge?
                      People are still talking about that?

                      Remember Temple of Doom, when they survived falling out of a plane by using a life raft?

                      Indy has always defied common sense.
                      John Brown did nothing wrong.

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                      • #12
                        Originally posted by Felch View Post
                        People are still talking about that?

                        Remember Temple of Doom, when they survived falling out of a plane by using a life raft?

                        Indy has always defied common sense.
                        That one is a hell of a lot more believable than the refrigerator. OF course, that's not saying much.
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                        • #13
                          What made it especially awful was the fact that it served absolutely no purpose in the plot. That whole section could have been erased and the story would have been no different. Unless the rest of the movie was a fevered hallucination he was experiencing while dying of radiation sickness. In that case, the film suddenly makes a lot more sense.
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                          • #14
                            Depends what you mean by small. With small devices, the amount of damage and the direction and power of the firestorm and radiation would depend on the actual size, the point of detonation in terms of above, on, or under ground, and the nature of the intervening buildings and such. "Small" as in 10 tons, a few inches of water would be sufficient if there were intervening buildings. "Small" as in 2,000,000 pounds = 1 kiloton, and the ground, including the pool, .25 mile away would be part of the mushroom cloud, meaning anyone in that pool would be radioactive dust.

                            Most small devices are the equivalent of less than one megaton of TNT. That's a lot of explosion at the high end. Those weights are not related to what the BOMBS weigh, only to the damage they do.
                            Last edited by Blaupanzer; March 9, 2009, 16:44.
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                            • #15
                              1/4 Megaton != 125 tons, unless my definition of 'mega' and '1/4' are dramatically off, or your usage of 'ton' is not what I think it is.

                              The above was mentioned as sub-KILOton, which is three orders of magnitude smaller than something that's an order of magnitude less than a megaton.
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