Latest science news in Physics & Chemistry
Disassembling 2D van der Waals crystals into macroscopic monolayers and reassembling into artificial lattices
Two-dimensional materials from layered van der Waals (vdW) crystals hold great promise for electronic, optoelectronic, and quantum devices, but technological implementation will be hampered by the lack of high-throughput techniques...
Intrinsic quantized anomalous Hall effect in a moire heterostructure
The quantum anomalous Hall (QAH) effect combines topology and magnetism to produce precisely quantized Hall resistance at zero magnetic field. We report the observation of a QAH effect in twisted...
Quantum anomalous Hall effect in intrinsic magnetic topological insulator MnBi2Te4
In a magnetic topological insulator, nontrivial band topology combines with magnetic order to produce exotic states of matter, such as quantum anomalous Hall (QAH) insulators and axion insulators. In this...
Cooling of a levitated nanoparticle to the motional quantum ground state
Quantum control of complex objects in the regime of large size and mass provides opportunities for sensing applications and tests of fundamental physics. The realization of such extreme quantum states...
Angiotensin and biased analogs induce structurally distinct active conformations within a GPCR
Biased agonists of G protein–coupled receptors (GPCRs) preferentially activate a subset of downstream signaling pathways. In this work, we present crystal structures of angiotensin II type 1 receptor (AT1R) (2.7...
Molecular mechanism of biased signaling in a prototypical G protein-coupled receptor
Biased signaling, in which different ligands that bind to the same G protein–coupled receptor preferentially trigger distinct signaling pathways, holds great promise for the design of safer and more effective...
Physicists grab individual atoms in ground-breaking experiment
In a first for quantum physics, researchers have 'held' individual atoms in place and observed previously unseen complex atomic interactions.
Researchers develop new method to isolate atomic sheets and create new materials
Two-dimensional materials from layered van der Waals (vdW) crystals hold great promise for electronic, optoelectronic, and quantum devices, but making/manufacturing them has been limited by the lack of high-throughput techniques...
This new device seems to pull electricity out of thin air
Illustration of a thin film of protein nanowires generating electricity from atmospheric humidity. (UMass Amherst/)An interdisciplinary team of scientists at the University of Massachusetts Amherst has harnessed a common bacteria to make surprisingly strong...
Scientists develop safer lead-based perovskite solar cell
Researchers are reporting on a potential breakthrough in the development of hybrid perovskite solar cells. The scientists developed a technique to sequester the lead used to make perovskite solar cells...
Laser writing enables practical flat optics and data storage in glass
Femtosecond laser machining has emerged as an attractive technology enabling applications ranging from eye surgery to direct writing on the bulk of transparent materials. Scientists from the University of Southampton,...
Researchers show what drives a novel, ordered assembly of alternating peptides
A team of researchers has verified that it is possible to engineer two-layered nanofibers consisting of an ordered row of alternating peptides, and has also determined what makes these peptides...
10,000 times faster calculations of many-body quantum dynamics possible
How an electron behaves in an atom, or how it moves in a solid, can be predicted precisely with the equations of quantum mechanics. These theoretical calculations agree fully with...
How to make lithium batteries last longer
ANN ARBOR—Lithium-ion batteries are everywhere these days, used in everything from cellphones and laptops to cordless power tools and electric vehicles. And though they are the most widely applied technology...
Adding wood to recycled concrete creates bendy, superior material
Researchers at the Institute of Industrial Science, a part of The University of Tokyo, have developed a new procedure for recycling concrete with the addition of discarded wood. They found...
New graphene-based metasurface capable of independent amplitude and phase control of light
Researchers described a new strategy of designing metamolecules that incorporates two independently controllable subwavelength meta-atoms. This two-parametric control of the metamolecule secures the complete control of both amplitude and the...
Scientists find an effective way to obtain fuel for hydrogen engines
One of the most promising alternative energy sources is hydrogen, which can be extracted from water and air. A catalyst is needed for a chemical process that releases hydrogen from...
New graphene-based metasurface capable of independent amplitude and phase control of light
Researchers described a new strategy of designing metamolecules that incorporates two independently controllable subwavelength meta-atoms. This two-parametric control of the metamolecule secures the complete control of both amplitude and the...
ORNL, TVA sign agreement to collaborate on advanced reactor technologies
The U.S. Department of Energy's Oak Ridge National Laboratory and the Tennessee Valley Authority have signed a memorandum of understanding to evaluate a new generation of flexible, cost-effective advanced nuclear...
Carrier-assisted differential detection
Hyperscale datacenters have sprung up across the globe rapidly. This generate tremendous demand for high-capacity, cost-effective optical communication links that interconnect them. Engineers at the University of Melbourne invented an...
Scientists use light to convert fatty acids into alkanes
Researchers led by Prof. Wang Feng at the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences have reported that photocatalytic decarboxylation is an efficient alternate pathway...
Restaurant owner targeted by coronavirus rumour bewildered by lies spread online
Lily Yung, owner of of Grand Crystal Seafood Restaurant in Burnaby's Crystal Mall, said a rumour involving an employee circulating on WeChat tanked her family's business in less than 24...
Tadpoles create their own air bubbles to breathe
A pair of researchers at the University of Connecticut, has found that hatchling tadpoles create their own air bubbles in order to breathe. In their paper published in Proceedings of...
Logistics of self-assembly processes
The efficient self-assembly of functional protein complexes is a major goal of industrial biotechnology. A new LMU study shows that the productivity of such processes crucially depends on tight regulation...
Novel biocatalytic system turns waste biomass into value-added chemicals
A research team, jointly led by Professor Ji Wook Jang, Professor Yong Hwan Kim, and Professor Sang Hoon Joo in the School of Energy and Chemical Engineering at UNIST, has...
Physicists grab individual atoms in groundbreaking experiment
In a first for quantum physics, University of Otago researchers have "held" individual atoms in place and observed previously unseen complex atomic interactions.
AEW Dynamite: Cody battles Wardlow inside a steel cage
Cody faced off against his rival MJF's bodyguard Wardlow in AEW's first-ever Steel Cage match on Dynamite.
ALPHA collaboration reports first measurements of certain quantum effects in antimatter
The ALPHA collaboration at CERN has reported the first measurements of certain quantum effects in the energy structure of antihydrogen, the antimatter counterpart of hydrogen. These quantum effects are known...