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Physics - Materials Science - 08.07.2020
Materials Science - 07.07.2020
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Materials Science
Results 341 - 360 of 842.
Scientists Dive Deep Into Hidden World of Quantum States
New technique developed by scientists at Berkeley Lab, UC Berkeley could help find silicon's successor in race against Moore's Law A research team led by the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) has developed a technique that could lead to new electronic materials that surpass the limitations imposed by Moore's Law, which predicted in 1975 that the number of transistors packed into a tiny silicon-based computer chip would double every two years.
New technique developed by scientists at Berkeley Lab, UC Berkeley could help find silicon's successor in race against Moore's Law A research team led by the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) has developed a technique that could lead to new electronic materials that surpass the limitations imposed by Moore's Law, which predicted in 1975 that the number of transistors packed into a tiny silicon-based computer chip would double every two years.
Shock-dissipating fractal cubes could forge high-tech armor
Additively manufactured fractal structures with closely spaced voids dissipate shockwaves five times better than solid cubes LOS ALAMOS, N.M. July 7, 2020-Tiny, 3D printed cubes of plastic, with intricate fractal voids built into them, have proven to be effective at dissipating shockwaves, potentially leading to new types of lightweight armor and structural materials effective against explosions and impacts.
Additively manufactured fractal structures with closely spaced voids dissipate shockwaves five times better than solid cubes LOS ALAMOS, N.M. July 7, 2020-Tiny, 3D printed cubes of plastic, with intricate fractal voids built into them, have proven to be effective at dissipating shockwaves, potentially leading to new types of lightweight armor and structural materials effective against explosions and impacts.
Cell ’membrane on a chip’ could speed up screening of drug candidates for COVID-19
Researchers have developed a human cell 'membrane on a chip' that allows continuous monitoring of how drugs and infectious agents interact with our cells, and may soon be used to test potential drug candidates for COVID-19. This type of screening is typically done by the pharmaceutical industry with live cells, but our device provides an easier alternative Róisín Owens The researchers, from the University of Cambridge, Cornell University and Stanford University, say their device could mimic any cell type-bacterial, human or even the tough cells walls of plants.
Researchers have developed a human cell 'membrane on a chip' that allows continuous monitoring of how drugs and infectious agents interact with our cells, and may soon be used to test potential drug candidates for COVID-19. This type of screening is typically done by the pharmaceutical industry with live cells, but our device provides an easier alternative Róisín Owens The researchers, from the University of Cambridge, Cornell University and Stanford University, say their device could mimic any cell type-bacterial, human or even the tough cells walls of plants.
Outsmarting self-organization
Researchers at ETH Zurich have coaxed tiny spheres made of polymer gels into forming complex patterns by themselves through a two-step process. Surfaces with tailor-made optical and mechanical properties could be realized in this way. When retiling the bathroom or the terrace using, for instance, square, rectangular or hexagonal tiles, the result will be a simple and regular pattern - assuming one doesn't make any mistakes.
Researchers at ETH Zurich have coaxed tiny spheres made of polymer gels into forming complex patterns by themselves through a two-step process. Surfaces with tailor-made optical and mechanical properties could be realized in this way. When retiling the bathroom or the terrace using, for instance, square, rectangular or hexagonal tiles, the result will be a simple and regular pattern - assuming one doesn't make any mistakes.
A Remote Control for Neurons
A team led by researchers at Carnegie Mellon University has created a new technology that enhances scientists' ability to communicate with neural cells using light. Tzahi Cohen-Karni, associate professor of biomedical engineering and materials science and engineering , led a team that synthesized three-dimensional fuzzy graphene on a nanowire template to create a superior material for photothermally stimulating cells.
A team led by researchers at Carnegie Mellon University has created a new technology that enhances scientists' ability to communicate with neural cells using light. Tzahi Cohen-Karni, associate professor of biomedical engineering and materials science and engineering , led a team that synthesized three-dimensional fuzzy graphene on a nanowire template to create a superior material for photothermally stimulating cells.
New insights into lithium metal technology
It is one of the key technologies for high-performance batteries of the future: the lithium metal battery (LMB). Designed for instance as solid-state battery with polymer electrolyte, it promises a significantly higher energy density than the currently common lithium-ion battery (LIB). However, it is not yet fully developed for the final commercial breakthrough and is therefore currently used by only a few pilot projects.
It is one of the key technologies for high-performance batteries of the future: the lithium metal battery (LMB). Designed for instance as solid-state battery with polymer electrolyte, it promises a significantly higher energy density than the currently common lithium-ion battery (LIB). However, it is not yet fully developed for the final commercial breakthrough and is therefore currently used by only a few pilot projects.
The lightest shielding material in the world
Researchers have succeeded in applying aerogels to microelectronics: Aerogels based on cellulose nanofibers can effectively shield electromagnetic radiation over a wide frequency range - and they are unrivalled in terms of weight. Electric motors and electronic devices generate electromagnetic fields that sometimes have to be shielded in order not to affect neighboring electronic components or the transmission of signals.
Researchers have succeeded in applying aerogels to microelectronics: Aerogels based on cellulose nanofibers can effectively shield electromagnetic radiation over a wide frequency range - and they are unrivalled in terms of weight. Electric motors and electronic devices generate electromagnetic fields that sometimes have to be shielded in order not to affect neighboring electronic components or the transmission of signals.
New plastic biomaterials could lead to tougher, more versatile medical implants
A new thermoplastic biomaterial, which is tough and strong but also easy to process and shape has been developed by researchers at the University of Birmingham. A type of nylon, the material's shape memory properties enable it to be stretched and moulded but able to reform into its original shape when heated.
A new thermoplastic biomaterial, which is tough and strong but also easy to process and shape has been developed by researchers at the University of Birmingham. A type of nylon, the material's shape memory properties enable it to be stretched and moulded but able to reform into its original shape when heated.
Magnonic nano-fibers opens the way towards new type of computers
Magnetism offers new ways to create more powerful and energy-efficient computers, but the realization of magnetic computing on the nanoscale is a challenging task. A critical advancement in the field of ultralow power computation using magnetic waves is reported by a joint team from Kaiserslautern, Jena and Vienna in the journal Nano Letters.
Magnetism offers new ways to create more powerful and energy-efficient computers, but the realization of magnetic computing on the nanoscale is a challenging task. A critical advancement in the field of ultralow power computation using magnetic waves is reported by a joint team from Kaiserslautern, Jena and Vienna in the journal Nano Letters.
Ferroelectricity at the Atomic Scale
New findings made possible by Berkeley Lab's Molecular Foundry and Advanced Light Source could lead to ultrathin materials that control the smallest electronic devices A team of researchers led by Sayeef Salahuddin , faculty scientist in Berkeley Lab's Materials Sciences Division and professor of electrical engineering and computer sciences at UC Berkeley, has managed to grow onto silicon an ultrathin material that demonstrates a unique electrical property called ferroelectricity.
New findings made possible by Berkeley Lab's Molecular Foundry and Advanced Light Source could lead to ultrathin materials that control the smallest electronic devices A team of researchers led by Sayeef Salahuddin , faculty scientist in Berkeley Lab's Materials Sciences Division and professor of electrical engineering and computer sciences at UC Berkeley, has managed to grow onto silicon an ultrathin material that demonstrates a unique electrical property called ferroelectricity.
Building better electron sources with graphene
Graphene substrates can be reused repeatedly for photocathodes that emit high-brightness electron beams in electron microscopes and accelerators LOS ALAMOS, N.M. June 30, 2020-Photocathodes that produce electron beams for electron microscopes and advanced accelerators can be refreshed and rebuilt repeatedly without opening the devices that rely on them, provided the electron emitting materials are deposited on single-atom-thick layers of carbon known as graphene, according to a new study published in the journal Applied Physics Letters .
Graphene substrates can be reused repeatedly for photocathodes that emit high-brightness electron beams in electron microscopes and accelerators LOS ALAMOS, N.M. June 30, 2020-Photocathodes that produce electron beams for electron microscopes and advanced accelerators can be refreshed and rebuilt repeatedly without opening the devices that rely on them, provided the electron emitting materials are deposited on single-atom-thick layers of carbon known as graphene, according to a new study published in the journal Applied Physics Letters .
Storing data on 2D metals
Researchers have invented a way to slide atomically-thin layers of 2D materials over one another to store more data, in less space and using less energy. A Stanford-led team has invented a way to store data by sliding atomically thin layers of metal over one another, an approach that could pack more data into less space than silicon chips, while also using less energy.
Researchers have invented a way to slide atomically-thin layers of 2D materials over one another to store more data, in less space and using less energy. A Stanford-led team has invented a way to store data by sliding atomically thin layers of metal over one another, an approach that could pack more data into less space than silicon chips, while also using less energy.
Dance, Electron, Dance: Scientists Use Light to Choreograph Electronic Motion in 2D Materials
Study led by Berkeley Lab, UC Berkeley could advance understanding of electron interactions for quantum devices A team of scientists led by the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley has demonstrated a powerful new technique that uses light to measure how electrons move and interact within materials.
Study led by Berkeley Lab, UC Berkeley could advance understanding of electron interactions for quantum devices A team of scientists led by the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley has demonstrated a powerful new technique that uses light to measure how electrons move and interact within materials.
TU Graz researchers want to fundamentally improve concrete diagnostics
Under the scientific direction of Graz University of Technology, an Austrian consortium is working on new investigation methods for rapid and precise assessments of concrete structures. Additional pictures for download at the end of the text Whether crumbling tunnel walls, cracks in concrete facades or porous bridge piers, according to statistics from the National Association of Corrosion Engineers (NACE), damage to concrete structures caused by various environmental influences accounts for several billion euros worldwide every year.
Under the scientific direction of Graz University of Technology, an Austrian consortium is working on new investigation methods for rapid and precise assessments of concrete structures. Additional pictures for download at the end of the text Whether crumbling tunnel walls, cracks in concrete facades or porous bridge piers, according to statistics from the National Association of Corrosion Engineers (NACE), damage to concrete structures caused by various environmental influences accounts for several billion euros worldwide every year.
X-ray vision and eavesdropping ensure quality
With an X-ray experiment at the European Synchrotron ESRF in Grenoble (France), Empa researchers were able to demonstrate how well their real-time acoustic monitoring of laser weld seams works. With almost 90 percent reliability, they detected the formation of unwanted pores that impair the quality of weld seams.
With an X-ray experiment at the European Synchrotron ESRF in Grenoble (France), Empa researchers were able to demonstrate how well their real-time acoustic monitoring of laser weld seams works. With almost 90 percent reliability, they detected the formation of unwanted pores that impair the quality of weld seams.
Wavy surfaces for better light control
Researchers at ETH Zurich have developed a method for the production of wavy surfaces with nanometre precision. In the future this method could be used, for instance, to make optical components for data transmission on the internet even more efficient and compact. The importance of light-based technologies for our society was demonstrated once more in recent weeks.
Researchers at ETH Zurich have developed a method for the production of wavy surfaces with nanometre precision. In the future this method could be used, for instance, to make optical components for data transmission on the internet even more efficient and compact. The importance of light-based technologies for our society was demonstrated once more in recent weeks.
Laser allows solid-state refrigeration of a semiconductor material
To the general public, lasers heat objects. And generally, that would be correct. But lasers also show promise to do quite the opposite - to cool materials. Lasers that can cool materials could revolutionize fields ranging from bio-imaging to quantum communication. In 2015, University of Washington researchers announced that they can use a laser to cool water and other liquids below room temperature.
To the general public, lasers heat objects. And generally, that would be correct. But lasers also show promise to do quite the opposite - to cool materials. Lasers that can cool materials could revolutionize fields ranging from bio-imaging to quantum communication. In 2015, University of Washington researchers announced that they can use a laser to cool water and other liquids below room temperature.
Growing polymers with different lengths
ETH researchers have developed a new method for producing polymers with different lengths. This paves the way for new classes of polymer materials to be used in previously inconceivable applications. It is hard to imagine everyday life without materials made of synthetic polymers. Clothes, car parts, computers or packaging - they all consist of polymer materials.
ETH researchers have developed a new method for producing polymers with different lengths. This paves the way for new classes of polymer materials to be used in previously inconceivable applications. It is hard to imagine everyday life without materials made of synthetic polymers. Clothes, car parts, computers or packaging - they all consist of polymer materials.
Super-strong surgical tape detaches on demand
Removable adhesive could make it easier for surgeons to close up internal wounds. Last year, MIT engineers developed a double-sided adhesive that could quickly and firmly stick to wet surfaces such as biological tissues. They showed that the tape could be used to seal up rips and tears in lungs and intestines within seconds, or to affix implants and other medical devices to the surfaces of organs such as the heart.
Removable adhesive could make it easier for surgeons to close up internal wounds. Last year, MIT engineers developed a double-sided adhesive that could quickly and firmly stick to wet surfaces such as biological tissues. They showed that the tape could be used to seal up rips and tears in lungs and intestines within seconds, or to affix implants and other medical devices to the surfaces of organs such as the heart.
New electrolyte design may lead to better batteries for electric vehicles
Stanford researchers have designed a new electrolyte for lithium metal batteries that could increase the driving range of electric cars. A new lithium-based electrolyte invented by Stanford University scientists could pave the way for the next generation of battery-powered electric vehicles. In a study published June 22 in Nature Energy , Stanford researchers demonstrate how their novel electrolyte design boosts the performance of lithium metal batteries, a promising technology for powering electric vehicles, laptops and other devices.
Stanford researchers have designed a new electrolyte for lithium metal batteries that could increase the driving range of electric cars. A new lithium-based electrolyte invented by Stanford University scientists could pave the way for the next generation of battery-powered electric vehicles. In a study published June 22 in Nature Energy , Stanford researchers demonstrate how their novel electrolyte design boosts the performance of lithium metal batteries, a promising technology for powering electric vehicles, laptops and other devices.
Social Sciences - Today
Gender und Politik in Südosteuropa: PRODUCTION SITE YUGOSLAV SOCIALIST PUBLISHING FOR CHILDREN
Gender und Politik in Südosteuropa: PRODUCTION SITE YUGOSLAV SOCIALIST PUBLISHING FOR CHILDREN
Innovation - Today
GEIC partner Watercycle Technologies secures funding for lithium extraction process
GEIC partner Watercycle Technologies secures funding for lithium extraction process

Environment - Today
VUB's Soumaya Majdoub and Cathy Macharis named on panel for just transition to sustainable society
VUB's Soumaya Majdoub and Cathy Macharis named on panel for just transition to sustainable society
Social Sciences - May 25
World-first Centre for Consciousness and Contemplative Studies opens at Monash University
World-first Centre for Consciousness and Contemplative Studies opens at Monash University
Environment - May 24
10th UB-Torres Environmental Session will address challenges of energy transition to halt climate emergency
10th UB-Torres Environmental Session will address challenges of energy transition to halt climate emergency

Campus - UCL - May 24
UCL and Clarity Travel Management: An update for staff who are travelling or planning to travel
UCL and Clarity Travel Management: An update for staff who are travelling or planning to travel

Campus - UB - May 24
The language plan and the first UB reception plan for Catalan language and culture, approved
The language plan and the first UB reception plan for Catalan language and culture, approved
Health - May 24
Reducing TV viewing to less than one hour a day could help prevent more than one in ten cases of coronary heart disease
Reducing TV viewing to less than one hour a day could help prevent more than one in ten cases of coronary heart disease

Environment - May 24
McGill announces C$6 million chair in architecture to develop turn-key solutions for mass building climate retrofits
McGill announces C$6 million chair in architecture to develop turn-key solutions for mass building climate retrofits

Health - May 24
In a bid to improve accuracy, University of Toronto students give Wikipedia's dental and oral health content a checkup
In a bid to improve accuracy, University of Toronto students give Wikipedia's dental and oral health content a checkup