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.....»»
Ultrafast charging of batteries using fully new anode material
By using a fully new material, nickel niobate, for the anode of lithium-ion batteries, the charging speed can be improved by ten times, according to researchers of the University of Twente. This is possible without the risk of damaging the anode mate.....»»
Flattening the curve: Nano-film enhanced supercontinuum edition
Providing light with tailored properties through ultrafast supercontinuum generation represents an active field of nonlinear science research. A German-Australian research collaboration has presented a new concept that includes a longitudinally varyi.....»»
A Chip Is Born: RP2040-Based Boards Go From 0 to 60+ With Impressive Speed
The microcontroller market — where chips designed for real-time embedded use are placed into development boards typically referred to as “microcontrollers” themselves — is rarely shaken up. If you want something friendly to beginners.....»»
Ultrafast control of quantum materials
An international team with participation of the Paul Scherrer Institute PSI shows how light can fundamentally change the properties of solids and how these effects can be used for future applications. The researchers summarize their progress in this.....»»
Ultrafast magnetism: Heating magnets, freezing time
Magnetic solids can be demagnetized quickly with a short laser pulse, and there are already so-called HAMR (Heat Assisted Magnetic Recording) memories on the market that function according to this principle. However, the microscopic mechanisms of ult.....»»
Ultrafast optical switching can save overwhelmed datacenters
EPFL and Microsoft Research scientists demonstrated ultrafast optical circuit switching using a chip-based soliton comb laser and a completely passive diffraction grating device. This particular architecture could enable an energy-efficient optical d.....»»
Virgin Media O2 customers could be set for a major broadband speed boost
Ultrafast proof of concept was delivered using existing cable infrastructure......»»
New measurement method enables more precise investigation of ultrafast processes in matter
A team of researchers from Freiburg led by Prof. Dr. Frank Stienkemeier and Dr. Lukas Bruder has succeeded in developing a new measurement method for investigating ultrafast processes in matter. These are processes at the atomic and molecular level t.....»»
FCC plans to rein in “gateway” carriers that bring foreign robocalls to US
FCC proposes STIR/SHAKEN and call-blocking rules for gateway phone companies. Enlarge (credit: Getty Images | Juj Winn) The Federal Communications Commission hopes to reduce the number of illegal robocalls from overseas with a.....»»
Phone companies must now block carriers that didn’t meet FCC robocall deadline
STIR/SHAKEN requirement should limit robocalls but there are "too many loopholes." Enlarge (credit: Getty Images | RobertAx) In a new milestone for the US government's anti-robocall efforts, phone companies are now prohibited from accepting ca.....»»
New technique speeds measurement of ultrafast pulses
When we look at an object with our eyes, or with a camera, we can automatically gather enough pixels of light at visible wavelengths to have a clear image of what we see......»»
Ultrafast charge transfer in Prussian blue analogues
Photoinduced charge transfers are an interesting electronic property of Prussian blue and some analogously structured compounds. A team of researchers has now been able to elucidate the ultrafast processes in the light-induced charge transfer between.....»»
Views from Taiwan (6): China"s smartphone industry is reshuffling
Is there any way out for Huawei, which has been cornered by the US government? It used to be able to ship 200 million handsets a year, and it remains to be seen whether it can make it to 40 million units in 2021. Is Huawei going to give in? Will Chin.....»»
Ultrafast X-ray provides new look at plasma discharge breakdown in water
Occurring faster than the speed of sound, the mystery behind the breakdown of plasma discharges in water is one step closer to being understood as researchers pursue applying new diagnostic processes using state-of-the-art X-ray imaging to the challe.....»»
An effective strategy for protecting skyrmions in quantum computing devices
A magnetic skyrmion is a versatile topological object that can be used to carry information in future spintronic information processing devices. As potential non-volatile information carriers, excellent endurance and robust retention are desired prop.....»»
Gus Grissom taught NASA a hard lesson: “You can hurt yourself in the ocean”
From the archives: Grissom's infamous (and impactful) ocean landing turns 60 this week. Enlarge / Is Gus Grissom angry after the Liberty Bell 7 nearly took him to the bottom of the ocean? Weary? Thoroughly shaken? It's hard to know for sure. (c.....»»
Future information technologies: Topological materials for ultrafast spintronics
The laws of quantum physics rule the microcosm. They determine, for example, how easily electrons move through a crystal and thus whether the material is a metal, a semiconductor or an insulator. Quantum physics may lead to exotic properties in certa.....»»
Watching the ultrafast dance moves of a laser plasma
Great leaps in science and technology have been propelled by recent advances in seeing fast evolving physical phenomena, as they happen. Femtosecond lasers from the infrared to the X-ray region have enabled us to 'watch', in real time, atoms dance in.....»»
Scientists take first snapshots of ultrafast switching in a quantum electronic device
Electronic circuits that compute and store information contain millions of tiny switches that control the flow of electric current. A deeper understanding of how these tiny switches work could help researchers push the frontiers of modern computing......»»
Spectral-volumetric compressed ultrafast photography simultaneously captures 5D data in a single snapshot
Information-rich optical imaging can provide multidimensional information to enable observation and analysis of a detected target, contributing insights into mysterious and unknown worlds. With its ability to capture dynamic scenes on picosecond—an.....»»