Indeed, thanks for the hint. I actually wanted to note, that electromagnetic guns is an old idea. (Even I came to it once, but of different design; and was surp

Indeed, thanks for the hint. I actually wanted to note, that electromagnetic guns is an old idea. (Even I came to it once, but of different design; and was surprised when discovered it to be already studied - in that article though they said this idea turned out to be impractical).