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ScienceDaily: Matter & Energy News |
Flooding damage to levees is cumulative -- and often invisible Posted: 21 Jan 2020 10:33 AM PST Recent research finds that repeated flooding events have a cumulative effect on the structural integrity of earthen levees, suggesting that the increase in extreme weather events associated with climate change could pose significant challenges for the nation's aging levee system. |
Well-designed substrates make large single crystal bi-/tri-layer graphene possible Posted: 21 Jan 2020 10:33 AM PST Scientists have reported the fabrication and use of single crystal copper-nickel alloy foil substrates for the growth of large-area, single crystal bilayer and trilayer graphene films. |
New technique to study molecules and materials on quantum simulator discovered Posted: 21 Jan 2020 10:00 AM PST A new technique to study the properties of molecules and materials on a quantum simulator has been discovered. |
Novel composite antimicrobial film could take a bite out of foodborne illnesses Posted: 21 Jan 2020 10:00 AM PST A novel composite film -- created by the bonding of an antimicrobial layer to conventional, clear polyethylene plastic typically used to vacuum-package foods such as meat and fish -- could help to decrease foodborne illness outbreaks, according to researchers. |
First detailed electronic study of new nickelate superconductor finds 3D metallic state Posted: 21 Jan 2020 08:30 AM PST Unlike cuprates -- the first known class of unconventional superconductors -- the new nickelates are inherently metallic, sharing electrons with intervening layers of rare earth material to create a 3D metallic state. This is an entirely new type of ground state for transition metal oxides such as cuprates and nickelates, researchers said. It opens new directions for experiments and theoretical studies of how superconductivity arises and how it can be optimized in this system and possibly in other compounds. |
Record-breaking terahertz laser beam Posted: 21 Jan 2020 08:30 AM PST Terahertz radiation is used for security checks at airports, for medical examinations and also for quality checks in industry. However, radiation in the terahertz range is extremely difficult to generate. Scientists have now succeeded in developing a terahertz radiation source that breaks several records: it is extremely efficient, and its spectrum is very broad -- it generates different wavelengths from the entire terahertz range. This opens up the possibility of creating short radiation pulses with extremely high radiation intensity. |
Dialing up the heat on nanoparticles Posted: 21 Jan 2020 08:29 AM PST Rapid progress in the field of metallic nanotechnology is sparking a science revolution that is likely to impact all areas of society, according to a professor of physics. |
Addressing global warming with new nanoparticles and sunshine Posted: 21 Jan 2020 08:29 AM PST Harvesting sunlight, IBS scientists reported a new strategy to transform carbon dioxide (CO2) into oxygen (O2) and pure carbon monoxide (CO) without side-products in water. This artificial photosynthesis method could bring new solutions to environmental pollution and global warming. |
Light-up wheels: Unique organic light-emitting molecular emitters Posted: 21 Jan 2020 08:29 AM PST Researchers synthesized novel OLEDs based on efficient ring-shaped molecular macrocycles. This work may help lead to sensitive, yet inexpensive, chemical detectors. |
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