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2. 1995 San Diego tank rampage - Wikipedia

   en.wikipedia.org/wiki/1995_San_Diego_tank_rampage

   The 1995 San Diego tank rampage was the theft of an M60A3 tank by Shawn Timothy Nelson and his destruction of cars and utilities in suburban San Diego, California, United States. Nelson was a native Californian and United States Army veteran with unusual habits that drew the attention of his neighbors. By the second quarter of 1995, the 35-year ...

3. Trimix (breathing gas) - Wikipedia

   en.wikipedia.org/wiki/Trimix_(breathing_gas)

   Trimix scuba cylinder label IMCA Trimix cylinder shoulder colour code alternative IMCA Trimix cylinder shoulder colour code. Trimix is a breathing gas consisting of oxygen, helium and nitrogen and is used in deep commercial diving, during the deep phase of dives carried out using technical diving techniques, [1] [2] and in advanced recreational diving.

4. Autogenous pressurization - Wikipedia

   en.wikipedia.org/wiki/Autogenous_pressurization

   Cutaway of Space Shuttle external tank. Autogenous pressurization is the use of self-generated gaseous propellant to pressurize liquid propellant in rockets.Traditional liquid-propellant rockets have been most often pressurized with other gases, such as helium, which necessitates carrying the pressurant tanks along with the plumbing and control system to use it.

5. 'Last line of defense': Cold War reheats at Nike missile ...

   www.aol.com/last-line-defense-cold-war-091902171...

   In 1960 a helium tank’s explosion caused a fire in a nuclear-tipped BOMARC missile in Plumsted, causing radioactive contamination. In 1961, Texas Tower 4, a radar station off the coast of Long ...

6. Diving cylinder - Wikipedia

   en.wikipedia.org/wiki/Diving_cylinder

   The pressure vessel is a seamless cylinder normally made of cold-extruded aluminum or forged steel. [5] Filament wound composite cylinders are used in fire fighting breathing apparatus and oxygen first aid equipment because of their low weight, but are rarely used for diving, due to their high positive buoyancy.

7. Hydrox (breathing gas) - Wikipedia

   en.wikipedia.org/wiki/Hydrox_(breathing_gas)

   Precautions are necessary when using hydrox, since mixtures containing more than four percent of oxygen in hydrogen are explosive if ignited. Hydrogen is the lightest gas (one quarter the atomic mass of helium or one half the molecular mass of helium) but still has a slight narcotic potential and may cause hydrogen narcosis.

8. Pressure-fed engine - Wikipedia

   en.wikipedia.org/wiki/Pressure-fed_engine

   Pressure-fed rocket cycle. Propellant tanks are pressurized to directly supply fuel and oxidizer to the engine, eliminating the need for turbopumps. The pressure-fed engine is a class of rocket engine designs. A separate gas supply, usually helium, pressurizes the propellant tanks to force fuel and oxidizer to the combustion chamber. To ...

9. Man accused of duping churchgoers into investing in video ...

   www.aol.com/man-accused-duping-churchgoers...

   A Southern California business owner convinced victims to invest in his companies, claiming he could detect Covid-19 based on video, and then made lavish purchases, prosecutors said.