Osmium Tetroxide (OsO4), a severe oxidizer, is highly poisonous even at low exposure levels. It must be handled with appropriate precautions. In particular, inhalation at concentrations well below ...

The Soviet-era Yankee class was a nuclear-powered ballistic missile submarine introduced in the 1960s, designed to rival the ...

Work with osmium compounds is endowed with peculiar personal danger to the chemist, owing to the great facility exhibited under the most various conditions for the formation of the tetroxide OsO4.

When SpaceX’s Crew Dragon exploded in April during ground tests, the release of approximately one and a half tons of hydrazine and nitrogen tetroxide propellants required an environmental ...

But the Apollo-Soyuz Test Project almost ended in disaster when lethal nitrogen tetroxide leaked into Apollo 18's cabin via a ...

Technicians found the leak in a dynatube fitting in the vent line for the Reaction Control System nitrogen tetroxide storage tank and were able to stabilize the leak by “pulse purging” the ...

NASA dictated that hypergolic propellants, DiNitrogen Tetroxide and AeroZine 50 (50% Hydrazine, 50% Unsymmetrical Dimethyl Hydrazine), would be used. Using hypergolics removed the need for a ...