https://gizmodo.com/80-year-quest-to-create-metallic-hydrogen-may-finally-b-1835815725
80-Year Quest to Create Metallic Hydrogen May Finally Be Complete Physicist Eugene Paul Wigner predicted more than 80 years ago that hydrogen, the most abundant element in the universe, could turn into an electricity-conducting solid metal at the right temperature and pressure. Scientists have spent decades since attempting to synthesize this material—and may have finally done so.
