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Jun 28, 2016 at 13:30 vote accept user3652621
Jun 24, 2016 at 16:58 comment added Thucydides Vapourizing a concrete slug depends on the mass of the slug, and since they are coming in at artillery or missile speeds, you will need to input all that energy in a very short period of time. It takes 880J/kg to raise the temperature of concrete by 1 degree C, so you can see we are talking about a fair amount of energy. Much of the energy coming from the gamma ray weapon will be turning the atmosphere into plasma, which is going to be inefficient from a weapons effects point of view.
Jun 24, 2016 at 16:36 history edited Thucydides CC BY-SA 3.0
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Jun 24, 2016 at 14:39 comment added user3652621 Hi Thucydides, I'm left wondering how much energy would it take to vaporize a concrete slug? Alternatively, how much energy would it take to ablate enough of it to divert off path? Gamma rays can put a LOT of energy on a target, if a pulse can clear the air out of the way prior to the main energy discharge.
Jun 24, 2016 at 4:15 history answered Thucydides CC BY-SA 3.0