From the paper: "Moreover, SMH is predicted to be metastable so that it may exist at room temperature when the pressure is released (10). If so, and supercondu

From the paper: "Moreover, SMH is predicted to be metastable so that it may exist at room temperature when the pressure is released (10). If so, and superconducting, it could have an important impact on mankind’s energy problems and would revolutionize rocketry as a powerful rocket propellant (11)."