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.....»»
Gaining more control over the fabrication of surface micro/nano structures using ultrafast lasers
Surface functionalization via micro/nano structuring is not only a thriving research area inspired by bionics but also of great importance for various practical applications. The key to achieving various surface functions is the fabrication of surfac.....»»
The secret life of an electromagnon: Research takes a step toward ultrafast control of magnetism with light
Scientists have revealed how lattice vibrations and spins talk to each other in a hybrid excitation known as an electromagnon. To achieve this, they used a unique combination of experiments at the X-ray free electron laser SwissFEL. Understanding thi.....»»
Tapered fiber is a potential candidate for delivering high-energy, ultrafast lasers with high beam quality
Ultrafast lasers have the advantages of high time resolution, high energy density, broadband spectrum, etc. Ultrafast lasers with high-energy and high peak power have been widely applied in industrial fields and frontier science, such as advanced man.....»»
Dynamic z-scanning for ultrafast auto-focusing in laser processing
In laser-based manufacturing, accommodating non-flat, or changing surfaces has traditionally been labor-intensive, involving complex focus mapping procedures and or ex-situ characterization. This often results in repositioning errors and extended pro.....»»
MacBook Air & MacBook Pro buyer"s guide: A Mac portable to fit your budget
Apple has shaken up its portable Mac lineup, with the introduction of models using M3 chips as well as the retirement of the 13-inch MacBook Pro. Here's where potential MacBook Air or MacBook Pro buyers should spend their money now.15-inch MacBook Ai.....»»
Dynamics of skyrmion spin states confirmed in neutron-scattering experiments
RIKEN researchers have brought low-energy devices based on spintronics one step closer, by measuring the dynamics of tiny magnetic vortices......»»
Ultrafast X-ray pulses force atoms to give up their electronic secrets
A new spectroscopy technique developed by RIKEN researchers could help reveal the inner workings of metal catalysts and the proteins involved in photosynthesis in plants......»»
Manipulating collective motions of electrons and solvent molecules in a polar liquid
Researchers at the Max-Born-Institute have now mapped the linear and nonlinear optical polaron response using ultrafast two-dimensional spectroscopy in the THz frequency range. As they discuss in the current issue of Physical Review Letters, multi-ph.....»»
New photonic chips for high-capacity data transmissions
With the growth in artificial intelligence (AI), 5G systems, cloud computation, and the Internet of Things, transmitters with extremely high capacities are required for data communication. Ultrafast optical modulation is an essential technology for h.....»»
Researchers catch protons in the act of dissociation with ultrafast "electron camera"
Scientists have caught fast-moving hydrogen atoms—the keys to countless biological and chemical reactions—in action......»»
Super-efficient laser light-induced detection of cancer cell-derived nanoparticles achieved
Can particles as minuscule as viruses be detected accurately within a mere five minutes? Osaka Metropolitan University scientists say yes, with their innovative method for ultrafast and ultrasensitive quantitative measurement of biological nanopartic.....»»
A string of volcanic tremors raises fears of mass evacuations in Italy
Hundreds of small tremors have shaken a densely populated volcanic area west of the Italian city of Naples in recent weeks, pushing the government to quickly redraft mass evacuation plans, even though experts don't see an imminent risk of eruption......»»
Netherlands halts extraction from Europe"s biggest gas field
The Netherlands halted extraction from Europe's biggest gas field on Sunday, which was resulting in earthquakes that have shaken local residents for decades and threaten to persist......»»
Imaging the elusive skyrmion: Neutron tomography reveals their shapes and dynamics in bulk materials
Scientists at the National Institute of Standards and Technology (NIST) with colleagues elsewhere have employed neutron imaging and a reconstruction algorithm to reveal for the first time the 3D shapes and dynamics of very small tornado-like atomic m.....»»
Composite 2D materials for fiber lasers show promise for ultrafast optics applications
The formation of dissipative solitons is influenced by several factors, such as spectral filtering effects and Kerr nonlinear effects. This interaction leads to the possibility of mode locking over a wide range of parameters, generating pulses whose.....»»
Team discusses the blueprint for ultrafast spintronics
Assistant Professor Wencan Jin and his team at Auburn University's Department of Physics are pushing the boundaries of technology with their latest publication on spin dynamics in two-dimensional (2D) van der Waals magnetic systems. Published in Phys.....»»
New camera offers ultrafast imaging at a fraction of the normal cost
Capturing blur-free images of fast movements like falling water droplets or molecular interactions requires expensive ultrafast cameras that acquire millions of images per second. In a new paper, researchers report a camera that could offer a much le.....»»
Could the AI Drake and Weeknd song actually win a Grammy?
Sure, the AI song "Heart on My Sleeve" by Ghostwriter probably won't win a Grammy. But it definitely stirred up more controversy. Remember that AI-generated song that mimicked Drake and The Weeknd? Well, now the person behind it wants a Grammy......»»
Realizing ultrafast imaging from 2D to quasi 3D
Scientists at Beijing Institute of Technology have developed an ultra-fast quasi-three-dimensional technology, overcoming the shortcomings of missing information in two-dimensional images and incomplete features, allowing for the analysis of three-di.....»»
How Oppenheimer beat the Nazis
In Nazi Germany in 1938, scientists achieved the remarkable: they split an atom.When physicists at Princeton heard the news, they became a "stirred-up ant heap." Beyond the buzz of the discovery, other repercussions became quickly apparent: Not only.....»»