Shaken, not stirred: Ultrafast skyrmion reshuffling
Smaller, faster, more energy-efficient: future requirements to computing and data storage are hard to fulfill and alternative concepts are continuously explored. Small magnetic textures, so-called skyrmions, may become an ingredient in novel memory a.....»»
The world"s fastest single-shot 2D imaging technique films ultrafast dynamics in flames
Candle flames and airplane engines produce tiny soot particles from polycyclic aromatic hydrocarbons (PAHs) as their precursors, both of which are harmful to humans and the environment. These carbon-based particles are also common in space, making up.....»»
Cold-atom simulator demonstrates quantum entanglement between electronic and motional states
Researchers from the Institute for Molecular Science have revealed quantum entanglement between electronic and motional states in their ultrafast quantum simulator, generated by the repulsive force due to the strong interaction between Rydberg atoms......»»
Ultrafast electron microscopy technique advances understanding of processes applicable to brain-like computing
Today's supercomputers consume vast amounts of energy, equivalent to the power usage of thousands of homes. In response, researchers are developing a more energy-efficient form of next-generation supercomputing that leverages artificial neural networ.....»»
Nanoscale imaging provides insights into 2D and phase-change materials
Researchers from the University of California, Berkeley have developed cutting-edge nanoscale optical imaging techniques to provide unprecedented insights into the ultrafast carrier dynamics in advanced materials......»»
Confined water gets electric: Study reveals dielectric response of water in nanopores
When water gets inside nanopores with sizes below 10 nanometers, new physics emerge: new phases of ice were observed and ultrafast proton transport was measured. Confined water also plays a role in biology, where aquaporins cross cellular membranes t.....»»
Coal-filled trains are likely sending people to the hospital
Coal-filled trains trail a cloud of particulates shaken free from their cargo. Enlarge (credit: Bloomberg Creative Photos) Although US coal consumption has fallen dramatically since 2005, the country still consumes milli.....»»
Nanoscale trilayer exhibits ultrafast charge transfer in semiconductor materials
Successfully innovating optoelectronic semiconductor devices depends a lot on moving charges and excitons—electron-hole pairs—in specified directions for the purpose of creating fuels or electricity......»»
Strategy enhances breakdown strength and polarization in dielectric nanocomposites
Electrostatic capacitors are a key component in high-power pulse equipment, power transmission and transformation engineering, new energy vehicles, and 5G communication. Their capability for ultrafast charging-discharging and ultrahigh power density.....»»
High-speed camera for molecules: Entangled photons enable Raman spectroscopy
In recent years, two cutting-edge technologies have rapidly gained momentum: quantum entangled light sources and ultrafast stimulated Raman spectroscopy......»»
Small steps for electrons—big steps for the future? Ultrafast microscope reveals electron pathways in solar cells
In the search for more efficient and sustainable energy generation methods, a class of materials called metal halide perovskites have shown great promise. In the few years since their discovery, novel solar cells based on these materials have already.....»»
Researchers pioneer new methods in ultrafast science for sharper molecular movies
Imagine being able to watch the inner workings of a chemical reaction or a material as it changes and reacts to its environment—that's the sort of thing researchers can do with a high-speed "electron camera" called the Megaelectronvolt Ultrafast El.....»»
Researchers develop ultrafast wavemeter that employs spectral–spatial–temporal mapping
Accurate high-speed measurements of wavelength are fundamental to optical research and industrial applications, such as environmental monitoring, biomedical analysis, and material characterization......»»
Observing mammalian cells with superfast soft X-rays
Researchers have developed a new technique to view living mammalian cells. The team used a powerful laser, called a soft X-ray free electron laser, to emit ultrafast pulses of illumination at the speed of femtoseconds, or quadrillionths of a second......»»
Strange fruit: How Billie Holiday"s performance of the anti-lynching song politicized Black consciousness
Billie Holiday's recording of the anti-lynching song "Strange Fruit" has stirred and haunted generations of listeners. A new article in the Journal of African American History, titled "Professional Mourning: Billie Holiday's 'Strange Fruit' and the R.....»»
Researchers elucidate ultrafast laser-induced solid-to-overdense-plasma transitions
The interaction of solids with high-intensity ultra-short laser pulses has enabled major technological breakthroughs over the past half-century. On the one hand, laser ablation of solids offers micromachining and miniaturization of elements in medica.....»»
Exploring the ultrasmall and ultrafast through advances in attosecond science
A team of scientists at the Department of Energy's SLAC National Accelerator Laboratory are developing new methods to probe the universe's minute details at extraordinary speeds......»»
Team observes two distinct holographic patterns with ultrafast imaging
A team of scientists led by Professor Dong Eon Kim at the Pohang University of Science and Technology and Professor X. Lai at the Innovation Academy for Precision Measurement Science and Technology has achieved a breakthrough in ultrafast imaging by.....»»
Taiwan hit by dozens of strong aftershocks from deadly quake
Taiwan was shaken by dozens of earthquakes overnight and into Tuesday that left buildings swaying and some tilting, with the government saying they were aftershocks from a huge deadly quake that hit the island more than two weeks ago......»»
Development of organic semiconductors featuring ultrafast electrons
Scientists have created conducting two-dimensional polymers exhibiting electron mobility comparable to graphene. Their research has been featured in the online edition of Chem......»»
Novel material supercharges innovation in electrostatic energy storage
Electrostatic capacitors play a crucial role in modern electronics. They enable ultrafast charging and discharging, providing energy storage and power for devices ranging from smartphones, laptops and routers to medical devices, automotive electronic.....»»