Liquid hydrogen was the liquid form of hydrogen.
During Wesley Crusher's psych test on Relva VII, one of the technicians told Crusher that the liquid hydrogen was going to blow. The shut off valve ruptured and would blow the environmental maintenance lab. (TNG: "Coming of Age")
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.