Because of the destruction it can cause over a vast area, a Nova Cannon projectile is not armed until a fraction of a second after firing, though by that time it will have already travelled tens of thousands of kilometres through space.[2a] Its explosion is triggered by a fuse, timed to...
from what I understand cannons aren't powered, but it is made of metal is that the reason for it not to activate?
Calculation of the barrel temperature of a 35 mm remotely controlled anti-aircraft system for the adopted firing cycle. Prob. Arm. Technol. 2011, 118. (In Polish) 17. Surma, Z. Calculations of gun propellants parameters (in Polish). Bull. MUT 2006, 55, 171–179. 18. Fikus, B.; ...