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Message: <blockquote data-quote="Nagol" data-source="post: 7495650" data-attributes="member: 23935">You invited off-script.  Though I'll keep providing on-script replies too. Killing the bad guy typically requires less energy and considerably less finesse.The power required to accelerate the rail gun / mass driver projectile is stupendous.  The magnetic field it needs to get the insane acceleration needed requires that.  One thing a powerful changing magnetic field does is establish eddy currents in nearby conductors like metallic objects.    Those currents create a reversed magnetic field which, considering the strength of the original field, will probably stop the mechanism assuming the rifle just doesn't get too hot to hold.  Radio/microwave EMF also cause eddy currents in metals though an emission strong enough to lock up the gun would probably cook the person holding it.Another completely off the wall tactic might be to create a short-lived impermeable plasma.  Impermeable plasma acts like a impenetrable solid with respect to gas.  I have seen "claims" that that impermeability would extend to solids though I've never seen any serious literature to support that.  Even if it only extends to gas, it would be a great tactic to handle an explosion which is a pressure wave though gas.</blockquote>