Source: China – South China Morning PostChinese scientists say they may have found a coating material to improve the performance of future hypersonic weapons: carbon foam.The team at the China Aerodynamics Research and Development Centre said their testing – carried out in a wind tunnel – suggested the material could reduce the impact of shock waves by more than 20 per cent.And they said it could improve a weapon’s aerodynamic stability by up to two orders of magnitude at the hypersonic speed of Mach 6.China’s existing hypersonic…Read More