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.....»»
A new way to shape a material"s atomic structure with ultrafast laser light
Thermoelectric materials convert heat to electricity and vice versa, and their atomic structures are closely related to how well they perform......»»
Shaken by fracking quakes, Texas is forced to act
"You get used to it. The walls shake," says Sam, a resident of Midland, a town in west Texas where hydraulic fracturing for oil and gas—known as "fracking"—is causing more and more earthquakes......»»
Nanowires under tension create the basis for ultrafast transistors
Smaller chips, faster computers, less energy consumption. Novel concepts based on semiconductor nanowires are expected to make transistors in microelectronic circuits better and more efficient. Electron mobility plays a key role in this: The faster e.....»»
DeFi world shaken after exploit leads to $322 million crypto hack
When they talk about decentralized finance, they don't mean decentralized like that. Over $300 million worth of wrapped ether (wETH) was stolen Wednesday thanks to what appears to be a massive exploit in the DeFi Wormhole protocol. In response, the t.....»»
Crypto Co-Founder Revealed To Be Infamous Fraudster, Investors Shaken
An anonymous reader quotes a report from Motherboard: Investors are shaken after the co-founder of a multi-billion dollar cryptocurrency protocol was accused of being a serial scammer with a record of conviction and deportation, and the co-founder of.....»»
Sony could respond to Microsoft"s acquisition of Activision Blizzard by purchasing EA
Take-Two Interactive got things going with its $12.7 billion acquisition of Zynga, but it was Microsoft that really stirred the pot with its $68.7 billion offer to purchase Activision Blizzard......»»
Are Leica cameras worth their price tags?
The new Leica M11 has stirred an age-old debate. Are Leica cameras overpriced luxury indulgences, or priceless workhorses?.....»»
Scientists reveal ultrafast melting dynamics in matter heated to extreme temperatures
Ordinary matter behaves very differently when subjected to extreme temperatures and pressures, such as that inside stellar and planetary cores. Conventional rules of condensed matter physics and plasma physics are not applicable in such scenarios. In.....»»
Ultrafast amplitude detector for use in high-speed atomic force microscopy
To improve our understanding of biomolecular processes happening within cells, techniques for visualizing and recording them are of key importance. High-speed atomic-force microscopy (HS-AFM) has become an important technique for the real-time obser.....»»
Ultrafast imaging of terahertz electric waveforms using quantum dots
Microscopic electric fields govern a remarkable variety of phenomena in condensed matter and their ultrafast evolutions drive plasmonics, phononics and highspeed nanoelectronics. Access to high-frequency electric waveforms is of crucial importance to.....»»
Apple scrubs its support pages of all mentions of its controversial CSAM image scanning feature
Apple first announced CSAM scanning in early August, and it immediately stirred up criticism from privacy advocates. Cupertino engineers were designing the system to anonymously scan devices for images containing child abuse using a hashing system. I.....»»
A new concept for high-performance detectors
When the Department of Energy's SLAC National Accelerator Laboratory turned on the world's first hard X-ray free-electron laser in 2009, it marked the beginning of a new era in science—one where researchers could directly observe the ultrafast moti.....»»
How conspiracy theories in the US became more personal, cruel, and mainstream after Sandy Hook
Conspiracy theories are powerful forces in the U.S. They have damaged public health amid a global pandemic, shaken faith in the democratic process and helped spark a violent assault on the U.S. Capitol in January 2021......»»
Wikipedia Editors Very Mad About Jimmy Wales" NFT of a Wikipedia Edit
An anonymous reader quotes a report from Motherboard: Wikipedia co-founder Jimmy Wales' auction of an NFT and the iMac he used to build the website has stirred up drama in the notoriously rigid Wikipedia community. The trouble began when Wales posted.....»»
Transforming materials with light: Study could lead to ultrafast light-based computers and more
Imagine windows that can easily transform into mirrors, or super high-speed computers that run not on electrons but light. These are just some of the potential applications that could one day emerge from optical engineering, the practice of using las.....»»
Planetary scientists are starting to get stirred up by Starship’s potential
"It could provide a revolutionary new way of exploring these worlds." Enlarge / A rendering of SpaceX's Starship traveling to the Saturn system. (credit: SpaceX) Jennifer Heldmann stared at the computer screens on her desk, wa.....»»
All-optical computing based on convolutional neural networks
In a new publication from Opto-Electronic Advances the research group of Professor Xiaoyong Hu and Professor Qihuang Gong from School of Physics, Peking University, China, propose a new strategy to realize ultrafast and ultralow-energy-consumption al.....»»
Scientists successfully manipulate a single skyrmion at room temperature
Scientists from the RIKEN Center for Emergent Matter Science and collaborators have shown that they can manipulate single skyrmions—tiny magnetic vortices that could be used as computing bits in future ultra-dense information storage devices—usin.....»»
Skyrmions: Fundamental particles modeled in beam of light
Scientists at the University of Birmingham have succeeded in creating an experimental model of an elusive kind of fundamental particle called a skyrmion in a beam of light......»»
Ultrafast exciton dissociation mechanism in 2D perovskites
A research group led by Prof. Jin Shengye from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences revealed an ultrafast and high-yield polaronic exciton dissociation mechanism in two-dimensional (2D) perovskites......»»