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Meta
Monthly Archives: July 2015
Demand For Helium Rises
Demand for helium is ratcheting up, as the second most abundant element in the universe is increasingly used in all types of products, from energy to computers to health care. General Motors says it needs the gas to properly construct … Continue reading
Posted in Federal Helium Reserve, Helium application, Helium production, Helium shortage
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Quantum Entanglement Of Helium-like Systems With Varying-Z: Compact State-of-the-art CI Wave Functions
In this work we have performed state-of-the-art configuration-interaction (CI) calculations to determine the linear and von Neumann entanglement entropies for the helium-like systems with varying nuclear charge Z in the range $1\leqslant Z\leqslant 10$. The focus of the work resides … Continue reading
Posted in Research
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The Feds Created A Helium Problem That’s Screwing Science
SO YOU MAY have heard about a helium shortage. Helium is indeed so light that it can float up and out of Earth’s atmosphere—but that’s not the real problem. The trouble, says a new report, is actually political, a string … Continue reading
Posted in Helium application, Helium production, Helium recycling, Helium shortage
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Coastal Upwelling Off Peru And Mauritania Inferred From Helium Isotope Disequilibrium
Oceanic upwelling velocities are too small to be measured directly. The surface disequilibrium of the 3He/4He ratio provides an indirect method to infer vertical velocities at the base of the mixed layer. Samples of helium isotopes were taken from two … Continue reading
Posted in Research
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New U.S. Rules On Helium Sales Said To Stifle Competition
New rules on selling off a U.S. government cache of helium aren’t working as planned, a congressional panel learned today. A 2013 law designed to increase competition may actually be stifling it, according to witnesses. The law has also failed … Continue reading
Posted in Federal Helium Reserve
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