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source:phys.orgSparklers can be a lot of fun—glimmering, fizzing and spitting out arcs of light from handheld sticks or tubes on the ground. But the metals that they're usually made with limit what the sparks can look like. Now, researchers in ACS Omega report that rare-earth metals in alloy powders can produce flashes that shift from golden to green and continuously branch.Around the world, sparklers are brought out for holidays and special events, providing celebratory pops of light. While their flames can span the colors of rainbow, the flares shooting out have been limited to dark red,...
Release time: 2022 - 09 - 22
viewed:2
source:natureAbstractQuasicrystals (QCs) possess a unique lattice structure without translational invariance, which is characterized by the rotational symmetry forbidden in periodic crystals such as the 5-fold rotation. Recent discovery of the ferromagnetic (FM) long-range order in the terbium-based QC has brought about breakthrough but the magnetic structure and dynamics remain unresolved. Here, we reveal the dynamical as well as static structure of the FM hedgehog state in the icosahedral QC. The FM hedgehog is shown to be characterized by the triple-Q state in the reciprocal-lattice qq spac...
Release time: 2022 - 09 - 21
viewed:1
Technology Trending – fire safe storage, customising magnets, Ethereum’s energy, lunar mining for fusionsource:smart-energyEnergy storage fire safety demonstrated, customisation of kagome layered magnets, the new energy efficiency of Ethereum and the possibility of mining the moon for helium-3 are on the technology radar.Fluence cube demonstrated fire safeEnergy storage provider Fluence Energy has reported that its sixth generation Fluence Cube, a modular energy storage building block, has surpassed industry safety testing requirements.In a test with DNV, an extreme fire such as may be caused ...
Release time: 2022 - 09 - 20
viewed:1
American Resources Corporation to build lithium ion battery and rare earth magnets recycling facilitysource:proactiveinvestorsAmerican Resources Corporation (NASDAQ:AREC) announced that its subsidiary ReElement Technologies LLC has started engineering, planning and development work for its second lithium ion battery and rare earth magnet recycling and metal recovery facility, which will use its patented chromatography technology to produce 99.9% pure critical battery material and 99.5% rare earth elements.American Resources CEO Mark Jensen said the ReElement division is poised for growth given...
Release time: 2022 - 09 - 19
viewed:1
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