Source: China – South China Morning PostChina is to step up its testing of rail guns to an unprecedented level, according to a military researcher, as the US gives up on the futuristic weapon after decades of research.A rail gun is a kinetic energy weapon that can fire a projectile at seven times the speed of sound with electromagnetic force and hit a target over 200km (125 miles) away – more than 10 times the typical range of a cannon.The technology faces a major challenge: the fast-moving projectile and high-voltage electric…Read More