China will have world’s most powerful naval gun, Railgun to be fitted to new destroyers

A railgun is a sort of exotic cross between a catapult and a cannon, that uses electromagnetic energy instead of gunpowder to hurl projectiles at hypersonic speeds up to Mach 7. Electrical currents generate magnetic fields that accelerate a projectile along two rails. China’s sprint to develop a weapon of this magnitude, coupled with coastal defense systems, represents a significant addition to Beijing’s military arsenal in one of the most contested regions of the world, the South China Sea.

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