Helium, a noble gas, was long believed to be 'too aloof' to react with the other elements on the periodic table. Now, however, scientists have provided a theoretical explanation of how helium may be capable of forming stable compounds.
An international research team discovered a new type of curved light beams, dubbed a "photonic hook". Photonic hooks are unique, as their radius of curvature is two times smaller than their wavelength. This is the smallest curvature radius of electromagnetic waves ever recorded. Photonic hook can improve the resolution of optical systems and control the movement of nanoparticles, individual cells, viruses or bacteria. Results of this research were published in Optics Letters and Scientific Reports.
Paul Voyles, the Beckwith-Bascom Professor in materials science and engineering at the University of Wisconsin-Madison, and collaborators in Madison and at Yale University have made significant experimental strides in understanding how, when and where the constantly moving atoms in molten metal 'lock' into place as the material transitions from liquid to solid glass.
University of Houston scientists are helping to develop a technology that could hold the key to unraveling one of the great mysteries of science: what constitutes dark matter?
In supersonic engines, achieving the right flow speed, producing the right ratio of evaporated fuel and causing ignition at the right time is complex. Vortices are affected by the shock wave, and this changes the way the fuel combusts and multiplies the number of possibilities of how particles can behave. To deepen our understanding, researchers use numerical modeling to calculate the huge variety of possible outcomes. They discuss their work in Physics of Fluids.
When noble metals are treated with an aliphatic thiol, a uniform monolayer self-assembles on the surface; this phenomenon is interesting because the conducting molecules produce unique quantum properties that could be useful in electronics. Attempts to measure the current across this thin skim have yielded varied results, but researchers in France developed a stable mechanical setup to measure conductance across individual molecules with greater success. The results are in this week's Journal of Applied Physics.
This achievement is an important step towards building so-called topological quantum computers.
Even traces of oxygen can deactivate molecular catalyst that are incorporated in fuel cells. Consequently, this drawback hampered the use of such catalyst based on abundant metals, which mimic the active center of natural biocatalyst, in technological relevant applications. Now, a team of researchers from the Ruhr-Universität Bochum (RUB), the Max-Planck-Institute for Energy Conversion in Mülheim and the from the Pacific Northwest National Laboratories in Washington, USA, was able to equip such a catalyst
University of British Columbia researchers have found a new system that could help yield 'warmer' quantum technologies.
A team of physicists from the Hong Kong University of Science and Technology and Peking University reported the observation of an SPT phase for ultracold atoms using atomic quantum simulation. This work opens the way to expanding the scope of SPT physics with ultracold atoms and studying non-equilibrium quantum dynamics in these exotic systems.