
If it is a massive electromagnetic effect that hurtles the projectile forward why is there a great burst of flame behind it?
( , Thu 21 May 2015, 22:30, Reply)

Friction between the air and the projectile heats the air to the point where it ships off electrons, causing pretty flames as the reactive nitrogen radicals produced combine with oxygen.
( , Fri 22 May 2015, 0:04, Reply)