Not that I'm saying killing people or sowing destruction is good, but tons of "good" or productive inventions we use today have their origins or inspirations as

Not that I'm saying killing people or sowing destruction is good, but tons of "good" or productive inventions we use today have their origins or inspirations as weapons of destruction. Who is to say, years later, the work on EM field concentration developed here for the rail gun can't be used to (for example) "tune" people's brains out of seizures.