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  2. Atmospheric mining - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_mining

    Atmospheric mining is the process of extracting valuable materials or other non-renewable resources from the atmosphere. Due to the abundance of molecular hydrogen and helium in the outer planets of the Solar System , advances in technology may eventually make mining their atmospheres a favorable alternative to mining terrestrial surfaces.

  3. Helium production in the United States - Wikipedia

    en.wikipedia.org/wiki/Helium_production_in_the...

    Helium usually makes up a minuscule portion of natural gas, but can make up as much as 10 percent of natural gas in some fields. A helium content of 0.3 percent or more is considered necessary for commercial helium extraction. [1] In 2012, helium was recovered at 16 extraction plants, from gas wells in Colorado, Kansas, Oklahoma, Texas, and ...

  4. Helium - Wikipedia

    en.wikipedia.org/wiki/Helium

    Helium is a commonly used carrier gas for gas chromatography. The age of rocks and minerals that contain uranium and thorium can be estimated by measuring the level of helium with a process known as helium dating. [28] [30] Helium at low temperatures is used in cryogenics and in certain cryogenic applications.

  5. File:Phase diagram of Helium-4-en.svg - Wikipedia

    en.wikipedia.org/wiki/File:Phase_diagram_of...

    This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law.

  6. Explainer-What is helium and why is it used in rockets? - AOL

    www.aol.com/news/explainer-helium-why-used...

    Helium is inert - it does not react with other substances or combust - and its atomic number is 2, making it the second lightest element after hydrogen. Rockets need to achieve specific speeds and ...

  7. National Helium Reserve - Wikipedia

    en.wikipedia.org/wiki/National_Helium_Reserve

    The Crude Helium Enrichment Unit in the Cliffside Gas Field. Remnants of the Amarillo Helium Plant in 2015. The National Helium Reserve, also known as the Federal Helium Reserve, is a strategic reserve of the United States, which once held over 1 billion cubic meters (about 170,000,000 kg) [a] of helium gas.

  8. 'Zone Rouge': An army of children toils in African mines - AOL

    www.aol.com/zone-rouge-army-children-toils...

    How mica mined by kids in Madagascar ends up in products used by millions of Americans. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ...

  9. File:Helium phase diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Helium_phase_diagram.svg

    attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.