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source:optics.orgScientists from the University of Warsaw, the Military University of Technology, Poland, and the University of Southampton, UK, have developed a new type of tunable microlaser emitting two beams. “The beams are polarized circularly and directed at different angles,” explained Prof. Jacek Szczytko from Warsaw.This result was obtained by creating a “persistent-spin helix” on the surface of the microcavity. The achievement is described in Physical Review Applied.The scientists filled the optical microcavity with a liquid crystal doped with an organic laser dye. The microcavity co...
Release time: 2022 - 03 - 30
source:PennStateAcademicsAdmissionTuition and AidResearchAthleticsNewsEARTH AND MINERAL SCIENCESGeoscientist enjoys critical mineral successes at national labChristina Lopano relies on experiences at Penn State to shape career extracting rare earth elements from coal wasteChristina Lopano is a research physical scientist at the Department of Energy's National Energy Technology Laboratory in PittsburghChristina Lopano, research physical scientist at the Department of Energy's National Energy Technology Laboratory in Pittsburgh, uses knowledge of how minerals form to create more efficien...
Release time: 2022 - 03 - 29
Researchers develop reactor that refines waste carbon into chemicals while generating hydrogen source:GeekWireIn a world faced with dual concerns about climate change and growing energy needs, developing renewable replacements for fossil fuels has been a long-sought dream. While considerable progress has been made in converting various biomaterials into usable energy in recent years, refining them in an environmentally sustainable way has remained a challenge. Now, a team at Pacific Northwest National Laboratory has developed an innovative flow cell reactor capable of refining waste ...
Release time: 2022 - 03 - 28
American Rare Earths demonstrates further rare earth potential at flagship La Paz Project in Arizona souorce:ProactiveAmerican Rare Earths Ltd (ASX:ARR) has demonstrated further rare earth potential at its flagship La Paz Rare Earths Project in Arizona, USA, after conducting a wide-area geologic mapping and surface geological sampling program.The company has received encouraging assay results from the recent field geochemical samples - continuing to support further exploration activities at La Paz.Moving forward, ARR’s geologists are performing further detailed geological mapping and geoc...
Release time: 2022 - 03 - 25
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