Tracing the history of perturbative expansion in quantum field theory
Perturbative expansion is a valuable mathematical technique which is widely used to break down descriptions of complex quantum systems into simpler, more manageable parts. Perhaps most importantly, it has enabled the development of quantum field theo.....»»
Study examines low-permittivity dielectric ceramics for microwave/millimeter-wave communication
Microwave dielectric ceramics are the cornerstone of wireless communication devices, widely utilized in mobile communications, satellite radar, GPS, Bluetooth, and WLAN applications. Components made from these ceramic materials, such as filters, reso.....»»
Mystery CRISPR unlocked: A new ally against antibiotic resistance?
CRISPR-Cas systems have revolutionized biotechnology by offering ways to edit genes like a pair of programmable scissors. In nature, bacteria use these systems to fight off deadly viruses. A recent international collaboration led by the University of.....»»
Researchers develop a detector for continuously monitoring toxic gases
Most systems used to detect toxic gases in industrial or domestic settings can be used only once, or at best a few times. Now, researchers at MIT have developed a detector that could provide continuous monitoring for the presence of these gases, at l.....»»
RetroArch arrives on iOS as a gaming emulator for Nintendo DS, PSP, SNES, PlayStation, and more
Today the latest gaming emulator for iPhone and iPad has arrived on the iOS App Store. RetroArch brings with it an abundance of supported game systems ranging from Nintendo favorites like the N64, SNES, Game Boy, and Nintendo DS to Sony’s PlayS.....»»
Apple previews iOS 18 accessibility features including eye tracking and music haptics
Apple today announced new accessibility features that will debut later this year in iOS 18 and its other operating systems (although as usual, Apple does not specifically refer to ‘iOS 18’ prematurely). The headline addition is Eye Tracking, w.....»»
A thousand times smaller than a grain of sand—glass sensors 3D-printed on optical fiber
In a first for communications, researchers in Sweden 3D printed silica glass micro-optics on the tips of optic fibers—surfaces as small as the cross section of a human hair. The advance could enable faster internet and improved connectivity, as wel.....»»
Reducing distrust in social media is not straightforward, computer scientists warn
Are anti-misinformation interventions on social media working as intended? It depends, according to a new study led by William & Mary researchers and published in the Proceedings of the CHI Conference on Human Factors in Computing Systems (CHI '24)......»»
Health systems eliminating a form of anesthesia that hangs in the air for more than a decade after use
Philadelphia-area health systems are phasing out a common anesthesia gas that hangs in the atmosphere for 14 years. Desflurane is the most potent greenhouse gas found in hospitals, which are increasingly engaged in efforts to reduce their carbon foot.....»»
NHTSA probes Waymo after 22 reports of crashes or traffic violations
U.S. auto safety regulators are investigating Alphabet-owned after reports that its autonomous driving systems led to collisions or violated traffic laws......»»
GM"s Cruise resumes autonomous testing with a human backup behind wheel
This marks the first time Cruise's self-driving systems have been activated on public roads since October......»»
Optical power evolution in fiber-optic networks: New framework for better modeling and control
With the emergence of internet services such as AI-generated content and virtual reality, the demand for global capacity has surged, significantly intensifying pressures on fiber-optic communication systems. To address this surge and reduce operation.....»»
Researchers achieve first condensation of non-ground state cesium atoms
In a pioneering effort, researchers from the University of Innsbruck in collaboration with the University of Durham have for the first time achieved Bose-Einstein condensation of non-ground state cesium atoms. Published in Nature Communications, this.....»»
Google has a chance to take on the Quest and Vision Pro in a big way
Google could unveil Android XR as an alternative to Apple's Vision Pro and Meta's Quest operating systems at Google I/O 2024......»»
Solar storm puts on brilliant light show across the globe, but no serious problems reported
A powerful solar storm put on an amazing skyward light show across the globe overnight but has caused what appeared to be only minor disruptions to the electric power grid, communications and satellite positioning systems......»»
Nmap 7.95 released: New OS and service detection signatures
Nmap is a free, open-source tool for network discovery and security auditing. It’s valued by systems and network administrators for network inventory, managing service upgrade schedules, and monitoring host or service uptime. Nmap identifies av.....»»
Exploration-focused training lets robotics AI immediately handle new tasks
Maximum Diffusion Reinforcement Learning focuses training on end states, not process. Enlarge (credit: boonchai wedmakawand) Reinforcement-learning algorithms in systems like ChatGPT or Google’s Gemini can work wonders.....»»
Information-entropy enabled identifying topological photonic phase in real space
Researchers led by Prof. Xiaoyong Hu at Peking University, China, are interested in topological photonics. They have proposed an interdisciplinary approach to study the topological systems through information entropy (IE) in real space......»»
Strong solar storm could disrupt communications and produce northern lights in US
An unusually strong solar storm headed toward Earth could produce northern lights in the U.S. this weekend and potentially disrupt power and communications......»»
Visual observation of photonic Floquet–Bloch oscillations
Recently, the exploration of Bloch oscillations (BOs) in periodically driven quantum systems, equivalent to "Floquet systems," has drawn tremendous attention because their exotic characteristics are profoundly distinct from those in static systems. S.....»»