Eric Walker added Hydrogen Squeezed Into a Metal, Possibly Solid, Harvard Physicists Say - The New York Times to Metallic hydrogen and Diamond

Eric Walker added Finally, the First Room-Temperature Superconductor - The New York Times to Metallic hydrogen and Superconductivity

Eric Walker added Hydrogen Squeezed Into a Metal, Possibly Solid, Harvard Physicists Say - The New York Times and Finally, the First Room-Temperature Superconductor - The New York Times to Metallic hydrogen, and added Metallic hydrogen to Hydrogen

Eric Walker added a number of topics and Kawasaki Heavy builds world’s first tanker for liquid hydrogen : The Asahi Shimbun and Oumuamua: Neither Comet nor Asteroid, but a Cosmic Iceberg - The New York Times to Hydrogen, and added Hydrogen to Chemical elements