Liquid hydrogen is hydrogen in fluid state at a very low temperature. Martin's people uses liquid hydrogen as fuel. (SG1: "The DVD Collection 25")
[]
| Adarite • Alkaline • Ammonia • Argon • Asgard alloy • Atom • Barium • Beryllium • Boron • Cadoliin • Calcium carbonate • Carbon • Carbon dioxide • Carbon monoxide • Carocev • Charcoal • Chlorine • Coal • Cyanide • Deuterium • Diamond • Diesel • Emerald • Fodinaire • Gas • Gasoline • Gold • Granite • Gypsum • Halon gas • Heavy water • Helium • HU-2340 • Hydrochloric acid • Hydrogen • Iodine • Iridium • Iron • Kevlar • Lead • Lime • Liquid hydrogen • Liquid Naquadah • Liquid nitrogen • Lithium hydride • Marble • Methane • Naquadah • Naquadria • Nethemia • Neutronium • Nezanat • Nickel • Nitrogen • Novus CO2 scrubber substance • Olesian ore • Oxygen • Palladium hydride • Papyrus • Plutonium • Potassium • Potassium nitrate • Salt • Silicon • Silver • Steel • Sulfur • Sulfur dioxide • Sulfur dioxide microbe • Tetrachloroethylene • Titanium • Trinium • Uranium • Water • Wood • Xenon | |