I'd love to know how they solved the barrel erosion problem. A rail gun is as satanically simple in theory as it is satanically hard to engineer. A coil gun w

I'd love to know how they solved the barrel erosion problem. A rail gun is as satanically simple in theory as it is satanically hard to engineer. A coil gun won't have this problem, but unfortunately the magnetic fields are harder to get than the electric ones.