Recently, the United States Navy decided to shelve its electromagnetic railgun (EMRG) project. Soon after the news release, Chinese state-owned media started publicizing that country’s progress in electromagnetic railguns and suggesting that it has surpassed the U.S. in the field. The electromagnetic railgun is a new concept weapon. It uses electromagnetic forced to launch non-exploding projectiles at a speed exceeding mach 7 (i.e. seven times the speed of sound), and a range of up to 124.3 miles. Due to the speed and high kinetic energy, the projectiles can cause considerable damage even without explosives. However, the U.S. Navy is replacing the EMRG program with a more advanced weapon system, the hypersonic missiles. With the news that the U.S. shelved its EMRG program, Chinese state-owned media took the opportunity to publicize its  “victory” in the field by showing images of its railgun prototype from two or three years ago. On June …