Today's Tech News: Notable or Not?

https://www.eurekalert.org/news-releases/1124478 "light where electric/ magnetic fields tangled in specific ways carry massive data/ highly secure, but extremely difficult twist 3D information detection without massive topological invariant calculations...  overcome using in-sensor computing: processes light as it hits sensor using physical interaction between light/ material to calculate... hardware itself tuned to recognize light twists' structural integrity filtering out background noise, energy efficient, high accuracy, low latency... ultra-high-capacity communication"

https://phys.org/news/2026-04-theoretical-skyrmion-supercomputing-memory.html "skyrmions form primarily through DMI interaction thought to require asymmetric crystal structures, limiting usable materials... overcome: now proven skyrmions can be created in symmetric materials through different mechanism (RKKY interaction)... Lifshitz transition triggers creation... 2 nm skyrmion-based memory enables data storage density far beyond current silicon/ magnetic hard drive limits... ultra-low power, mathematically protected from heat/ physical interference, so good for long-term storage"

https://phys.org/news/2026-04-skyrmions-atom-thin-magnets-ultra.html "skyrmions often require: thicker materials with unwelcome surface roughness overcome using ultra-thin layers, extremely low temperatures to remain stable overcome using electrical pulses rather than bulky magnetic fields to create/ move... integrates into microchips... racetrack memory: data (represented by skyrmions) shifted along nanowire, increasing storage capacity 10 to 100X... moving skyrmions requires very little current, generating significantly less heat... ultra-dense memory, data centers"  Related: New chip design could boost efficiency of power management in data centers https://www.eurekalert.org/news-releases/1123290

https://www.eurekalert.org/news-releases/1115520 "skyrmions: tiny, stable magnetic patterns that could serve as ultra‑small carriers of storage data... the newly discovered magnetic states in twisted 2D materials are promising because: they could enable very high‑density data storage... skyrmion magnetic structures are stable against disturbances, which is crucial for reliable memory devices... signals were extremely weak, overcome using quantum sensing microscope based on nitrogen‑vacancy centers in diamond"

https://www.eurekalert.org/news-releases/1114081 "depending on incoming near-IR laser polarization, nonlinear programmable metasurface generates either electric-/ magnetic-mode vortex skyrmions (future: more modes) stable/ resistant to environmental noise/ physical obstacles even with limited bandwidth since topologically protected... high-capacity multiplexing: encodes data into the light's shape, adding new channels to same frequency... laser polarizations create different 3D shapes (skyrmions) carrying data via 6G+ safely through crowded areas"

https://phys.org/news/2026-01-harnessing-nanoscale-magnetic-limits-conventional.html "AI/ IoT: high-density storage/ high-speed low-power computing... 0.3 nm gadolinium layer (between platinum/ cobalt layers) enhances spin–orbit torque efficiency, force that moves skyrmions; higher efficiency means the skyrmions can move faster using significantly less electrical current... interface design maintains nanoscale structures' stability while allowing for high-speed operation... blueprint for tailoring material interfaces to create energy-efficient, high-density storage and processing units" Related: No exotic physics needed: A new formation mechanism of skyrmions inside magnets https://phys.org/news/2026-03-exotic-physics-formation-mechanism-skyrmions.html#google_vignette Expanding computing resources with light for AI datacenters https://techxplore.com/news/2026-03-resources-ai-datacenters.html

https://www.eurekalert.org/news-releases/1111319 "integrated into multi-periodic spin tunnel junction... stabilizes 2 exotic magnetic texture mixture (Bloch-type skyrmions/ bimerons) at room temperature, conducive for low power electron flow control... purify electron spin before reaches LED by passing through 4 sequential MgO tunneling barriers... skyrmions create nanoscale gradient magnetic field bending electron paths toward texture's core... spin-based logic, LEDs/ lasers for secure communication, scalable/ low-power data storage solutions"

https://www.eurekalert.org/news-releases/1109423 "structural frustration at interface of 2 compounds: manganese/ cobalt/ germanium, and manganese/ cobalt/ arsenic... translates to magnetic frustration causing atomic spins to twist, creating desired magnetic properties for: high-density hard drives, reduced power consumption for data centers as moving skyrmions requires little energy, materials for fault-tolerant quantum computing" Related: Using magnetic frustration to probe new quantum possibilities https://www.eurekalert.org/news-releases/1113485 Twist-controlled magnetism grows beyond the moiré https://www.eurekalert.org/news-releases/1115996

https://www.eurekalert.org/news-releases/1100921 "Poincaré sphere geometrics created/ manipulated nano-scale topological entities in soliton (skyrmion/ antiskyrmion, vortex) ferroelectric ultrathin films by tailoring laser's twist/ phase structure... laser beams ranging from Laguerre-Gaussian to Hermite-Gaussian modes imprint rich patterns onto ferroelectric films' polarization landscape... handedness control within trillionths of second... ultrafast, robust, smooth, entirely optical, unlike previous methods that often required complex electrical or mechanical manipulation"

https://phys.org/news/2024-09-analysis-heterostructures-spintronics-desired-quantum.html "at graphene/ heavy metal interface, strong spin-orbit coupling develops... spin canting effect stabilizes skyrmions, vortex-like spin textures, significantly mediated/ enhanced when a few ferromagnetic cobalt monolayers inserted between graphene/ heavy metal iridium, grown on insulating substrates, enhancing splitting of energy levels... spin-canting effect best with 3 monolayers... graphene-based heterostructures have great potential for the next generation of spintronic devices" Related: Researchers image magnetic skyrmions at room temperature for the first time https://phys.org/news/2025-01-image-magnetic-skyrmions-room-temperature.html The first experimental realization of quantum optical skyrmions in a semiconductor QED system https://phys.org/news/2025-08-experimental-quantum-optical-skyrmions-semiconductor.html Anomalous magnetoresistance emerges in antiferromagnetic kagome semime...

https://phys.org/news/2024-09-energy-magnetic.html "better than using energy-intensive neural networks... recorded swipe left/ right hand gestures with Range-Doppler radar employing 2 Infineon Technologies radar sensors, converted into corresponding voltages... reservoir of multilayered triangular thin film stack with contacts at each corner. 2 contacts supply voltage, causing skyrmion chiral magnetic whirls to move within triangle from which detect complex motions... read-out process uses magneto-optical Kerr-effect microscope (future: magnetic tunnel junction)" Related: Spin-wave reservoir chips can enhance edge computing https://phys.org/news/2024-10-reservoir-chips-edge.html Quasi-convolution coding empowers streamlined reservoir computer https://www.eurekalert.org/news-releases/1065407 How 'spin currents' can be used to control magnetic states in advanced materials https://phys.org/news/2025-05-currents-magnetic-states-advanced-materials.html

https://phys.org/news/2024-04-skyrmions-future.html "skyrmion magnetic nanobubbles can be moved by electrical currents, at up to 900 m/s... tiny size provides great computing, information storage capacity, low energy consumption... Until now, these nanobubbles moved no faster than 100 m/s, which is too slow for computing applications. However, thanks to the use of an antiferromagnetic material as medium, the scientists successfully had the skyrmions move 10 times faster than previously observed... higher-performance and less energy-intensive computing devices" Related: Light fields with extraordinary structure: plasmonic skyrmion bags https://www.eurekalert.org/news-releases/1081317