Today's Tech News: Notable or Not?

https://www.eurekalert.org/news-releases/1075631 "3D N-doped carbon fiber/MXene/TiO2 nano-aerogel: thin, lightweight, robust, thermal stability, wide absorption bandwidth, strong reflection loss, high-efficiency microwave absorption, electromagnetic pollution reduction... heterogeneous structure rational design optimizes interfacial area/ interfacial effects, concurrent design of multiple components/ structures achieves efficient interfacial control... macro: green/ low-cost biomass cotton skeleton, micro: nitrogen atom doping enhancing polarization loss... radar stealth"

https://www.eurekalert.org/news-releases/1075472 "digitally coded for real-time EM wave manipulation in 5G/ 6G... overcomes high data acquisition/ training costs, massive pixel combinations/ blocked excitation current flow... overcome combining topological representation method/ separate design architecture... non-uniform rational B-spline represents continuous patterns, mapping 100D continuous patterns to 5D control points, reducing the pattern solution space ensuring smooth excitation current flow, enhancing surface patter resonance... sensing, wireless "

https://www.tohoku.ac.jp/en/press/developing_the_inherent_functionality_of_highly_pure_porous_organic_polymers.html "soak up harmful pollutants, boast high thermal/ chemical stability... overcomes metal impurities decreasing porosity, using iodine as oxidant minimizing residual impurities, then washing out iodine and remaining impurities with ethanol after synthesis... results in pure polytriphenylamine derivatives with high specific surface area... carbon capture, energy storage, fuel cells, proton conductivity/ gas adsorption accompanied by gate-opening phenomenon"

https://phys.org/news/2025-03-nanodot-fine-tune-sharper-displays.html "cathodoluminescence: aim electron beam at 2D molybdenum diselenide embedded in 2D tungsten diselenide, making it emit high resolution light... larger dots give off 1 type of glow... <10 nm wide dots trap energy/ emit light with higher frequency (quantum confinement) confining excitons at interface of the 2 materials... controlling nanodot size via controlling excitons changes emitted light's color/ frequency more effectively... faster/ more secure quantum systems, energy-saving high resolution screens"

https://techxplore.com/news/2025-03-chip-microcomb-synchronize-optoelectronics.html "overcomes difficulties synchronizing frequencies of optically generated signals with those of traditional electronic clocks... synthesizes single-frequency and wideband signals covering broad frequency band providing reference clocks... does not require coherent digital signal processing... prototype optoelectronic wireless sensing/ communications device... enables high repetition rates, consumes less power"

https://phys.org/news/2025-03-highly-robust-reconfigurable-mechanochromic-cellulose.html "highly robust, dynamically responsive/ reconfigurable, mechanochromic, multi-level active interfaces... based on cellulose nanocrystal self-assembly properties... precise network matrix alignment control through nanofiber sliding/ hydrogen bond reconstruction, driven by water-activated hydrogen bonding interactions... compared with original hydrogel: 5X tougher, >9.5X more stretchable... dynamic color-changing abilities, switching reversibly between red/ blue maintaining stable electromechanical sensitivity... smart photonics"

https://phys.org/news/2025-02-graphene-quantum-energy-efficient-spintronics.html "fully encapsulating monolayer graphene in insulating 2D hexagonal boron nitride, protecting its high quality... 2D stack exposing only edges of graphene, laying magnetic nanowire electrodes over stack, forms 1D contacts injectioning at 20°K, revealing electron transport across interface as quantum... avoids need for physical constriction within graphene channel, overcoming fabrication challenges... magnetic nature of the nanoscale contacts enables quantized spin injection... low-power ballistic spintronics"

https://phys.org/news/2025-03-quantum-dot-discovery-brighter-eco.html "matches or outperforms cadmium-based... 24.7% efficient pure/ vibrant blue light lasting nearly 30,000 hours... atomic level fine-tuning quantum dot structure, reducing light emission interfering defects, uniformity improving brightness/ stability, high color purity... televisions, smartphones, VR headsets, energy-efficient lighting"

https://techxplore.com/news/2025-03-perovskite-solar-cells-efficiency-heights.html "overcomes degradation/ efficiency issues... improves its stability during crystallization, leading to stronger bonds between PbI2 and hydrogen... also reduced colloidal aggregation, reducing overall defects, improving uniformity/ reducing degradation... slot-die coating in open air conditions enabling large-scale production, lower costs... long-term stability, with a 94% efficiency rating after exposure to direct light for 1,000 hours, at 65% humidity" Related: Scientists introduce c-MOFs in emerging SrZrS₃ chalcogenide perovskites for efficient solar cells https://techxplore.com/news/2025-03-scientists-mofs-emerging-srzrs-chalcogenide.html

https://www.eurekalert.org/news-releases/1075626 "heat removes protective polymer coatings from carbon fibers... exfoliate carbon fibers using electrochemical oxidation in water/ 5% nitric acid as conductor, nanoscale graphene oxide layers peel off, with uniform 0.9 nm thick circular/ elliptical nanosheets, 200 mg/ gram carbon fiber... yields 1-atom-thick sheets of graphene oxide with characteristics comparable to that sourced from mined graphite... no harsh chemicals, variations in graphite purity... EV batteries, composites, water purification. electronic devices"

https://newatlas.com/brain/cortical-bioengineered-intelligence/ "Cortical Labs' CL1... learns quickly/ flexibly... assembling neurons in new way... neurons seek connections producing energy-efficient, predictable outcomes, adapting producing random, chaotic electrical signal... simpler, more stable and for longer, much more able to actively balance charge... lab-grown neurons placed on planar electrode array, 59 electrodes form basis of network, placed in rectangular life-support unit connected to software-based system... $35-85 thousand, 850-1,000 W... medical science, technology"

https://chbe.illinois.edu/news/stories/liquid-crystal-structures-key-organic-solar-cell-performance-study-finds "processing conditions manipulated printing films force molecules to adopt different structures, ink evaporates depending on printing speed locking assembly into different stages... slow forces polymers assemble into liquid crystals before film forms, for better stability/ efficiency distinguished from cells random aggregation pathways... further manipulation for either achiral, which is an improvement, or chiral, which is best"

https://phys.org/news/2025-03-high-energy-efficient-electro-optic.html "nanosecond-scale optical switching: low crosstalk <-45 dB, broad 3-dB bandwidth >100 nm, <3 ns latency... scalable, chip-friendly fabrication of 2×2 cascaded electro-optic switch by micro-transfer printing pre-etched thin-film lithium niobate (superior modulation capabilities) onto silicon nitride (exceptional passive properties)... 1.3 dB insertion loss at 1550-nm wavelength... future: large-area coupon-based massive micro-transfer printing to integrate multiple elements in a single process"

https://www.eurekalert.org/news-releases/1075619 "energy saving, better performance transition metal dichalcogenide semiconductors now scalable... completely new growth method leveraging 2D graphene or hexagonal boron nitride as templates, guiding dichalcogenide crystal alignment enabling synthesis of perfectly single-crystalline films on any substrate at low temperature (400°C) compatible with existing semiconductor manufacturing... template naturally dissappeaers without requiring post-removal process... high charge carrier mobility, excellent uniformity"

https://www.eurekalert.org/news-releases/1075681 "could provide around 16% of nickel needed by 2030, but even greater impact can be achieved by upcycling nickel together with upcycling alumina from used aluminium foil into high-performance nanocatalyst in an eco-friendly way... nanocatalyst consists of 92-96% aluminium oxide and 4-8% nickel, optimal for converting CO2 together with hydrogen into methane at atmospheric pressure and an easily achievable temperature of 250°C"

https://www.eurekalert.org/news-releases/1075504 "used machine learning to represent 2D sheets of graphene/ other materials, with/ without defects... sheet defects affect how ripples move: above certain concentration, defects freeze membrane/ flexibility.lost .. control the physical behavior of these materials by using defects—something traditionally considered undesirable—as a design tool... energy storage, catalysis nanofluidics (water filtration), ultra-thin flexible screens/ fast electronics"

https://www.eurekalert.org/news-releases/1075539 ", memory magnetic layer thickness controls magnetisation, coercivity, remanence, anisotropy with voltage, not currents... adding/ removing ions through changes in applied voltage polarity manipulates magnetics... overcomes magnetic vortex states in already prepared materials requiring large energy amounts, on-demand voltage-regulated (by extracting nitrogen ions) nanodot control creating new/ varying magnetic states... analogue computing, data storage/ security, medical theragnostics, spin computing, magnonics"

https://phys.org/news/2025-03-superconducting-quantum-processor-prototype-faster.html "random quantum circuit sampler, 105 qubits, 182 couplers, 1,000,000X faster,  72 μs coherence time, 99.90% parallel single-qubit gate fidelity, 99.62% parallel 2-qubit gate fidelity, 99.13% parallel readout fidelity... 15 orders magnitude better computational speed... advancing  quantum: error correction (distance-7 surface code, future: increase this distance to 9 and 11, paving the way for massive integration and manipulation of quantum bits), entanglement, simulation, chemistry"

https://www.eurekalert.org/news-releases/1074812 "overcomes sluggish reinforcement during typical deformation rates, using weak chemical bond cleavage for activation, modifying DN hydrogel by embedding molecular components containing weak azo bonds (–N=N–) into primary polymer network, subsequently soaking up large monomer/ crosslinker concentrations... dmechano-radicals rapidly react with the absorbed monomers/ crosslinkers, forming, 100X faster, new stronger self-strengthening primary network... rubber, elastomers, biomaterials, contact lenses, soft robots"

https://www.eurekalert.org/news-releases/1074945 "preparing qubits/ transmitting photons simultaneously, entanglement rate scaled proportionally to number of qubits... embedding ytterbium atoms inside yttrium orthovanadate crystals, laser exciting each atom to emit photon that remains entangled/ coupled to optical cavities... quantum feed-forward control: generates atoms entanglement  even when optical transitions differ, taking received information from the photon arrival time and applying  a quantum circuit: a series of logic gates that are tailored to the two qubits."

https://www.wired.com/story/plaintext-google-taara-chip-internet-by-light/ "10 to 100X more bandwidth than Starlink, at fraction of cost... boxes see each other at 20 GBps, equivalent of fiber-optic cable, compensate for potential line-of-sight interruptions, have complicated gimbals, mirrors, lenses to zero in on the right spot to establish/ hold connection... now in commercial operation... future: shrink light bridge to fingernail size, replacing mechanical gimbals/ costly mirrors with single laser solid-state transmitter pairing with multiple receptors... light might be key element in 7G"

https://www.eurekalert.org/news-releases/1074980 "recording brain activity/ stimulating neural tissues, they are flat, not conforming to neural structures' natural curves, require multiple fabrication steps... overcome developing μETF inspired plastic thermoforming 3D structures for neural electrodes... liquid crystal polymer substrate due to mechanical strength, biocompatibility, long-term stability... prototype reduced stimulation thresholds 1.7X, improved spatial resolution 2.2X... brain, spinal cord, cochlea, peripheral nerve neural interfaces, wearable electronics"

https://phys.org/news/2025-02-graphyne-carbon-potential-electronics.html "predicted to be semiconductor with band gap, ultra-high charge carrier mobility far surpassing that of silicon, ultimate strength comparable to graphene... completely eliminates all 2-coordinate acetylenic carbons from graphyne, yet preserves layered structure... modified band gap... enables future techniques for fabricating all-carbon electronic chips with performance unattainable by the current silicon technology... carbon electronics, energy harvesting/ storage, gas separations, catalysis"

https://www.eurekalert.org/news-releases/1075335 "hybrid lithium ion device has advantages of both high-power supercapacitor withstanding many charge-discharge cycles/ battery storage... 1 electrodes was made of hard carbon and the other was made of activated carbon. What is more, great importance was attached in the research to the use of cost-efficient, sustainable processes for producing the electrodes... process to produce the electrodes was energy-efficient: synthesis temperatures did not exceed 700°C, and economic additives were used"

https://www.eurekalert.org/news-releases/1075146 "scalable... overcomes distorted screens due to Poisson's ratio phenomenon, and poor fit, light scattering... block copolymers of both stiff and soft polystyrene arranged in 1 direction maximizing elasticity difference  between parallel/ perpendicular directions to reduce shrinkage with Poisson's ratio 0.07 or less... shear-rolling process aligns nanostructures evenly, speed differences between rollers/ stages apply uniform high temperature shear force... substrate vertically stretchable >50%... wearables, solar cells"

https://www.eurekalert.org/news-releases/1075363 "facile high-temperature successive ion layer adsorption and reaction grows high-quality, large-particle, alloyed red quantum dots... alleviates compressive strain, suppresses heavy-hole energy band splitting, weakens exciton-phonon coupling, enhancing luminescence color purity... Zn₁₋ₓCdₓSe/ZnSe/ZnS shells confine carriers within luminescent core, boosting photoluminescence quantum yield, and surface defects passivized facilitating hole injection, achieving more balanced carrier recombination in the QLEDs"

https://phys.org/news/2025-02-chip-multipartite-entanglement-optical-microcomb.html "scalable... optical microcomb: polychromatic pump/ polychromatic homodyne detection produce multimode squeezed-vacuum optical frequency combs below parametric oscillation threshold, demonstrating the chip-scale deterministic generation... multipartite entanglement reconfiguration: tailoring local oscillator beams to generate various cluster-type 4-qumode linear-, box- and star-, 6-qumode linear-type, and continuous-variable cluster-style-type entanglement structure... quantum: computation, networking, metrology, sensing"

https://www.eurekalert.org/news-releases/1075202 "laser written lines spaced 100 nm apart on glass substrate... focused laser selectively solidify/ polymerize... dual-beam with special photoresist... 100 µm/s printing speeds, but at 1000 μm/s, a 120-nm lateral resolution still achieved... printing optical waveguide devices for VR/ AR displays with precise, high-resolution structuring... microlenses, photonic crystals, micro-optical devices, metamaterials"

https://www.eurekalert.org/news-releases/1075210 "white OLEDs: flexible, energy efficient, eye-protective, but unstable blue emitters/ inefficient use of triplet excitons... overcome integrating blue MR-TADF emitters with rigid π-conjugated core skeleton blue component in emitting layer with red component... optimized exciton recombination zone, stablized white light emission, achieving 34.4% maximum external quantum efficiency, 101.8 lm/W power efficiency, 761 hours at 1000 cd/m² LT90 luminance lifetime... enables mass commercialization... lighting and display"

https://phys.org/news/2025-02-techniques-aligning-nanocrystals-solar-cell.html "cubic cesium lead bromide nanocrystals arranged single-layer on APS-coated quartz substrate... substrates bonded with bottom face of each nanocrystal, disrupting material's symmetry causing electronic states to be vertically aligned, improving adhesion/ altering transition dipole moment orientation in monolayer, achieving high uniformity/ anisotropic behavior... lasers, electronic devices, bioimaging, solar cells with optimized light absorption, LEDs with precisely controlled light polarization enhancing displays"

https://www.impactlab.com/2025/02/26/the-airwing-a-groundbreaking-wind-powered-solution-to-clean-up-shipping-emissions/    "actively sucks in air/ uses fan power amplifying thrust generated by wind flowing through it... easy retrofitting... cuts ship’s fuel usage 30%... trials begin March 2025... combination of Bernoulli’s Principle, Venturi Effect... computational fluid dynamics simulations optimized wing’s aspect ratio, camber, twist across various wind conditions... strong support from UK government... global shipping"

https://www.eurekalert.org/news-releases/1074418 "information transmitted using magnetic wave motion in complex networks... external stimuli used in spintronics also create/ control spin waves/ ripples in material's magnetization travelling with specific phase/ energy, enabling phase controlled mutual synchronization between 2 spin-Hall nano-oscillators... spin waves mediate both in/ out of phase between oscillators, enabling next-gen Ising machines, an alternative to quantum computers, although best guess/ not exact answers for combinatorial optimisation problems"

https://techxplore.com/news/2025-02-nanomanufacturing-slashes-chip-production.html#google_vignette "fabrication facilities worldwide overall currently cost $20 - $40 billion to build and then $1 billion to operate annually., 6 - 12 months to get chip made, repeated for development revision... no need for vacuum or high temperatures... additive using very small particles, bottom up silicon microprocessors/ memory chips... 3D print structures down to 25 nm in 1 minute, over large area... give 3D printing shop your chip design, get made same or next day or same week, then do further development, and then scale it up"

https://www.impactlab.com/2025/02/25/composite-metal-foam-a-breakthrough-material-ready-for-mass-production/#more-167050 "low density: air bubbles embedded in alloy of steel, titanium, aluminum, other... absorbs 72-75% of kinetic energy from ball rounds/ 68-78% from armor-piercing rounds... <50% weight of rolled homogeneous steel armor needed to achieve same protection... exposed to 1472°F flame, takes 2X longer reaching same temperature as stainless steel... X, gamma, neutron radiation shielding... space exploration, shipping nuclear waste/ explosives/ hazardous materials, military/ security, cars, buses, trains... full-scale production-ready" Related: Superelastic alloy that functions in extreme temperatures could aid space exploration https://techxplore.com/news/2025-02-superelastic-alloy-functions-extreme-temperatures.html#google_vignette Nanoscale tweaks help alloy withstand high-speed impacts https://techxplore.com/news/2025-03-nanoscale-tweaks-alloy-high-impacts.htm...

https://www.eurekalert.org/news-releases/1074842 "mesoporous silicon layers etched with tiny pores, electrically/ thermally conductive... huge internal surface area, biocompatible... electronic transport in extended wave-like states... conductivity decreases with increasing disorder... in contrast to hopping process, lattice phonons do not play role in charge transport... cryogenic silicon-based qubits needing thermal insulation... photovoltaics, thermal management and nanoelectronics, qubits for quantum computers, biosensors, battery anodes, capacitors."

https://phys.org/news/2025-02-material-incipient-ferroelectricity-jumpstart-fast.html "can operate in extreme environments... ultra-thin layers controlling electric switching, sensing, memory, reversible when external electric field applied... temporary, scattered polarization that can switch charges like tiny dipoles without stabilizing when at room temperature, instead relaxor behavior: small scattered polar domain clusters... less incipient when colder... works at room temperature, reducing energy costs... learning method for image identification/ classification, pattern recognition... AI, neuromorphic computing"

https://www.eurekalert.org/news-releases/1074730 "conductive thermoplastics transmit electrical signals while providing structural support, but manufacture challenge controlling their internal structure due to bonding between filaments/ small cavities presence... 3D manufacture structures sensitive/ capable of transforming mechanical signals into electrical signals... enables use of softer materials, multifunctional material design... soft robotics, aerospace, biomedical/ infrastructure monitoring sensors that can obtain virtual data that can serve machine learning technologies"

https://techxplore.com/news/2025-02-wearable-bionic-device-mimics-birds.html "quickly identifying/ classifying objects... combines advanced materials with neural networks... low-light condition capable, broadband non-volatile storage capabilities... seamlessly combines AI hardware with algorithms... specially oriented GaAs nanowire arrays combined with liquid-surface-assembled P3HT organic films to form van der Waals heterojunctions.... using reservoir computing to recognize moving object's shape, motion, color, UV grayscale... autonomous vehicles, robotics" Related: Neuromorphic system enhances machine vision in extreme lighting environments https://techxplore.com/news/2025-03-neuromorphic-machine-vision-extreme-environments.html

https://www.eurekalert.org/news-releases/1074689 "tin is abundant, does not expand when lithium is absorbed, capacity per kg almost 3X higher than graphite... tin foam with countless micrometre-sized pores... although tin foam is more expensive than conventional tin foil, it offers a cheaper alternative to expensive nanostructuring, while being able to store significantly more lithium ions, thus enabling an increase in capacity"

https://techxplore.com/news/2025-02-ai-powered-method-reliability-generation.html#google_vignette "require precise channel state information under channel aging effect conditions... transformer-assisted parametric CSI feedback sending key aspects (angles, delays, signal strength) instead of detailed signal information... AI transformer analyzes/ predicts short-/ long-term patterns in signal changes... precise beamforming makes real-time adjustments even when users moving quickly... >3.5 dB lower error, improved bit error rate... maritime networks, vehicle-to-everything"

https://phys.org/news/2025-01-scientists-register-thousands-entangled-nuclei.html#google_vignette "stable, versatile optically connected qubits... many-body quantum register storing information locally over extended periods... 13K nuclear spin dark state collective with better coherence/ stability serving as 0 state of quantum register, 1 state as single nuclear magnon excitation single nuclear spin flip... nearly 69% storage fidelity, >130 ms coherence... polarizes nuclear spins in gallium arsenide QDs... applying quantum feedback overcoming uncontrolled nuclear magnetic interactions... communication, distributed computing"

https://scitechdaily.com/scientists-just-doubled-power-output-by-breaking-a-thermal-limit/ "compact, scalable, cleaner, cheaper harnessing wasted heat for electricity without requiring extreme temperatures... zero-vacuum gap between thermal source/ solar cell: insulated, high index/ IR-transparent glass spacer createsing high power density... operates at 1,000°C, yields power equivalent to 1,400°C... even more power using amorphous silicon, potentially nearly 20X more increase... integrates into existing commercial processes...  manufacturing, portable power generators, renewable energy storage" Related: Rethinking Carnot: Scientists overcome traditional power-efficiency trade-off https://phys.org/news/2025-01-rethinking-carnot-scientists-traditional-power.html#google_vignette

https://www.chinadaily.com.cn/a/202502/13/WS67adc96fa310c240449d515c.html "extending lifespan from 6-8 years or 1,000-1,500 charge cycles to 10,000 cycles or more... injecting specially designed molecule into degraded batteries to replenish lost lithium ions... working on scaling up production and partnering with global battery manufacturers to commercialize. If successfully deployed, this innovation could significantly impact industries that are reliant on lithium batteries, from consumer electronics to electric vehicles, by reducing waste, cutting costs, and improving sustainability"

https://www.eurekalert.org/news-releases/1074499 "lower temperature, more uniform, efficient manufacture... molecules aligned to preferred orientation leading to elasticity, producing considerable elastic strains, enabling precisely controlled size/ shape using liquid crystal as antisolvent, then replacing antisolvent with iquid crystal maintaining other synthesis conditions... uniform-size mass production without additional purification... ligands bind more densely to surface during nanocrystals formation, minimizing surface defects/ enhancing luminescence... LEDs. solar cells, displays"

https://ist.ac.at/en/news/cooling-materials-out-of-the-3d-printer/ "rapid, localized heat management, solid-state refrigerators... more efficient, less costly/ wasteful production... net cooling effect 50° in air, similar to ones significantly more expensive... as ink's carrier solvent evaporates, effective atomic bonds formed between grains, creating atomically connected material network, improving charge transfer between grains... extrusion-based  properties of porous materials... wearables, burn treatment,  muscle strain relief. high-temperature thermoelectric generators"

https://www.eurekalert.org/news-releases/1074557   "self-imaging Talbot effect in cylindrical systems facilitating light structure control... space-time duality bridging different fields of optics... 2 complementary ring-core fiber light travelling self-imaging:  angular position and orbital angular momentum... generalized self-imaging in time, periodic train of optical pulses/ corresponding frequency comb... strong link between angle/ angular momentum and time/frequency... tuned to encode, convert, decode information in light’s OAM values as independent communication channels"

https://www.eurekalert.org/news-releases/1074404 "optical atomic clocks increase time. geographic position precision, but are too large/ complex... lasers instead of microwave frequencies to induce oscillations optically.,. enabling more time fractions, for few cm precision... a comb frequencies can be locked to laser frequency locked to atomic clock oscillation, bridging between clock optical signals and radio frequencies counting clock’s oscillations... pairing 2 microcombs  with a small frequency offset enabling more accessible radio frequency... photonic integration"

https://www.eurekalert.org/news-releases/1074416 "superior performance due to low activation energy, large free volume, tetrahedral motion... can run on hydrogen, natural gas, biogas, or certain liquid hydrocarbons... overcomes cost, durability, operating temperature range issues... crystalline Rb-containing oxides have larger lattice/ free volumes, leading to lower activation energy for oxide-ion conductivity... palmierite-type oxide materials exhibited low energy barrier for oxide-ion migration... oxide-ion conductivity 29X that of yttria-stabilized zirconia"

https://www.eurekalert.org/news-releases/1073825 "mimics cell cooperation in embryonic tissue... supports 100s times own weight, yet at flip of switch flow freely to change form... internally regulate mechanical properties across space/ time... motorized gears, photoreceptors, rolling magnets.enable precise control over force fluctuations/ polarity... demonstrated robots forming pillars merginf into stable, load-bearing arch, also exhibiting fluidizing, closing defects... object manipulation, rigidifying into wrench exerting torque"

https://www.eurekalert.org/news-releases/1074368 "corrosion resistance, excellent comprehensive mechanical properties, high: insulation, thermal conductivity, temperature resistance... overcomes low production efficiency, restricted product shape/ size, poor toughness... densifiable without mechanical pressure... metallic tungsten 2nd phase, matching silicon nitride ceramic thermal expansion... 20% content by volume of tungsten induces conductivity... optical stealth, wireless communication, electromagnetic wave absorption/ shielding"

https://phys.org/news/2025-02-tiny-antennas-amplify-polarized.html "polarization-independent/ highly resonant metasurfaces of nanoantennas replace refractive surfaces of eyeglass, smartphone lens, AR, VR, LiDAR (light detection/ ranging)... overcomes metasurface high sensitivity to light polarization... shrinks size... design/ shape however we like... high quality factor: trap light over narrow resonant frequencies band for long time, generating strong response to external stimuli... smart eyeglasses, programmable lenses. polarizer not required... signal processing, quantum devices"

https://news.umich.edu/magnetic-switch-traps-quantum-information-carriers-in-one-dimension/ "excitons physically encode quantum information trapped in single layers:in: electric charge processea information through interactions, photons (light) transfer information, magnetism (electron spins) store information, phonons (vibrations, sound) modulate/ transduce information to new frequencies... future: embodied excitons in charge separation converted to magnetic excitations embodied in electron spins, enabling quantum information converting between states... quantum sensing/ computing"

https://www.eurekalert.org/news-releases/1074231 "3D images using volumetric pixels (voxels) do not need head-mounted devices/ complex visual tricks... laser-based enable vivid colors, high contrast ratios, now overcome low resolution, ghost voxels, absence of tunable, full-color emission in single material... RE3+-doped monolithic glasses (RE = Ho, Tm, Nd, Yb) tunable full-color emission under near-IR... leverages rare-earth ion optical properties in glass matrices... high optical transmittance, thermal/ chemical stability, low phonon energy, superior mechanical strength"

https://www.eurekalert.org/news-releases/1074235 "superstructure liquid metal/low expansion polyimide/polydimethylsiloxane actuator,... overcomes trade-off between response speed/ load-carrying capacity... laser etching intricate graphene trenches within LM@PI films, then encapsulated with PDMS producing programmable actuator... created photo-activated robotic dog capable of crawling, jumping, swimming, standing, as well as single-pole triple-throw switches/ high-speed oscillators... wide-ranging applications in robotics and intelligent systems"

https://news.ncsu.edu/2025/02/18/tuning-quantum-dots-with-light/ "without compromising material quality... tune optical properties by tuning bandgap, which determines light color emitted... green-emitting perovskite quantum dots in either chlorine or iodine solution, then run through microfluidic system incorporating light source enabling precise reaction control by ensuring rapid, uniform light exposure across 10µ/ reaction droplet... makes QDs move closer to blue when chlorine present, red when iodine present... bandgap control: controlling energy/ light amount... optoelectronic devices"

https://www.eurekalert.org/news-releases/1073971 "1st optic both 2.1 cm aperture and corrector plate, 2nd a focusing lens, together has high-quality imaging up to 60° full field of view... improved image quality over wide field of view at design wavelength/ reduced total track length... meta-optics integration into full-scale near-eye AR, VR, night vision... compact form-factor... single-wavelength 633 nm illumination suitable for monochromatic applications... future: applications requiring full color"

https://www.eurekalert.org/news-releases/1074114 "in-plane structure of ordered (crystalline) regions embedded inside disordered (amorphous) matrix... enabled by recent advances in nanomaterial synthesis and high-resolution imaging, uncovered new approach to making 2D materials tougher without adding extra layers... faster, more efficient electronics, high-capacity energy storage, advanced sensors, wearables"

https://www.eurekalert.org/news-releases/1073713 "mimics bones, seashell iridescent material, mussels' threads attaching to surfaces... low cost, not changing material... 2.6X tougher... highest performance level where material looked somewhat regular but not exactly symmetrical (no (repeating structure)... extremely precise laser used to cut the disordered patterns... disorder prevents cracks traveling straight... tested using triangles, but applies to many different geometries.... future: combining different material types, adding different geometries at different scales... aerospace"

https://www.eurekalert.org/news-releases/1073533  hHalf the cost of bringing a new drug to market is trying to separate molecules, a process which may be done between 10 and 20 times for one substance... rial-and-error separations replaced by quantitative/ predictive molecular methods... overcomes porous separation materials becoming blocked by cellulose, using solvent to remove extra material... pharmaceuticals, energy/ chemical/ food production, environmental science"

https://www.eurekalert.org/news-releases/1073411 "projecting 3D hologram of shape onto spinning resin/ hydrogel vial... utilizes projected light waves' phase/ position, so all pixel inputs contribute to holographic image in all planes, giving more light efficiency/ better spatial resolution in final 3D object... prints complex 3D objects <60 seconds, 25X less optical power... hologram beams can be made self-healing spreading through resin without thrown off course by small particles... standard commercial equipment... biomedical... future: no need to spin vial" Related: Recyclable plastic for the printer https://www.eurekalert.org/news-releases/1073616 New 3D printing method replicates nature's finest fibers https://www.eurekalert.org/news-releases/1073663 Eco-friendly ink expands graphene's potential in 3D printing https://phys.org/news/2025-02-eco-friendly-ink-graphene-potential.html#google_vignette Researchers control metal microstructure for better 3D print...

https://techxplore.com/news/2025-02-silicon-chip-synaptic-neuronal-network.html#google_vignette "electrophysiological recording small yet telltale synaptic signals using 4,096 microhole electrode array on silicon chip... shows in parallel which neurons connect to which others... microhole electrodes better couple to interiors of neurons than the vertical nanoneedle electrodes/ easier fabrication... >90% of microhole electrodes intracellularly coupled to neurons on top, better quality recording data categorizes each synaptic connection based on characteristics/ strengths... working toward newer design deploying in live brain"

https://news.rice.edu/news/2025/smaller-and-better-rice-research-uncovers-performance-sweet-spot-relaxor-nanomaterial "as thin-film shrinks to dimensions comparable to materials’ internal polarization structures, relaxor ferroelectrics behavior shifts... ceramic lead magnesium niobate-lead titanate excels at converting energy from one form to another, pressing it generates voltage, while applying external voltage makes it change shape... when shrunk, before losing special abilities, material performed better, best phase stability at 25-30 nm... smaller/ better: energy harvesting, low-power computing, sensors, actuators, nanoelectronics"

https://www.bristol.ac.uk/news/2025/february-/active-matter-breakthrough.html "Janus colloid µm-sized particles suspended in liquid mixture, activated applying strong electric field... scattered colloid particles merge together forming 3D worm-like structures... predict/ control motion solely based on their lengths... design devices independently moving different parts of themselves, or particle swarms emerging under low-density conditions searching for target.... at higher densities, particles formed sheet-like and maze-like structures... drug delivery, self-healing materials"

https://techxplore.com/news/2025-02-transparent-ceramics-life-semiconductor-etching.html "reduces particle contamination... overcomes frequent conventional ceramic component replacement... inorganic dense bodied, high-density solid-state materials sintered, becoming transparent ceramics with 99.9% density, transmitting visible/ IR by controlling porosity... High-entropy ceramics don't generate impurities, have high heat resistance, excellent wear resistance, low thermal conductivity, as well as plasma resistance... low etch rate: fewer contamination particles... advances localization of components" Related: Researchers make progress in high-temperature thermally sensitive ceramics https://phys.org/news/2025-02-high-temperature-thermally-sensitive-ceramics.html

https://www.nature.com/articles/s41467-025-56923-6 "circularly polarized light's rich optical information, angle independence character... prepares 2 pairs efficient circularly polarized thermally activated delayed fluorescence materials with high photoluminescence quantum yields, short delayed fluorescence lifetimes, good luminescence dissymmetry factors, large horizontal dipole ratios, narrow-spectrum emission... 3D displays, information encryption, quantum computing, LEDs, optical communication for spintronics"

https://gizmodo.com/googles-hybrid-quantum-simulator-could-open-doors-to-new-physics-2000559215 "made up of 69 superconducting qubits,.. prepared quantum state using digital gates, enabling flexibility in initial state, then switched simulation to analog before system overcome with noise, then reverted simulation to digital, allowing more versatile study of state... discrepancy between simulations and Kibble-Zurek mechanism, it’s new physics... future: run same simulations on Google's Willow quantum computer" Related: Microwave-to-optics transduction: Readout technique for superconducting qubits demonstrated https://phys.org/news/2025-02-microwave-optics-transduction-readout-technique.html

https://techxplore.com/news/2025-02-3d-alloy-nickel-stainless-steel.html ">70% of world's nickel supply for stainless steel production... nickel minimized ensuring sustainable, stabilize costs, long-term nickel availability... ferritic: magnetic/ resistant to cracking caused by stress, corrosion... wire-arc directed energy metal layering deposition via welding... microstructure where metals interface show increased hardness/ strength... lower-cost materials/ manufacture, high-performance manufacturing, durable product, sustainable metal manufacturing practices"

https://www.eurekalert.org/news-releases/1073753 "prepare hybrid polarization-cat entangled state, then introduce orbital angular momentum (OAM) degree of freedom by inserting q-plate in e cat-encoded CV part, converting Gaussian beam to OAM beam... prepared hybrid entangled states have non-0 logarithmic negativities, confirming successful hybrid entanglement preparation carrying OAM... introduces OAM degree of freedom into the hybrid entanglement and takes a crucial step towards hybrid quantum information processing with multiple degrees of freedom"

https://www.eurekalert.org/news-releases/1073819 "TB of bits within 1 mm cube... radiation dosimeter electron release write/ optical read memory storage... UV laser stimulating rare earth Praseodymium ions (lanthanides) added to Yttrium oxide crystal.which release electrons that are trapped by crystal’s defects... charged gap as 1/ uncharged gap as 0... Within that millimeter cube, we demonstrated there are about at least a billion of these memories – classical memories, traditional memories – based on atoms"

https://phys.org/news/2025-02-transparent-aluminum-tiny-acid-droplets.html "inexpensive, simple... no high-powered lasers, vacuum chambers, large vats of dangerous acids... after applying microdroplets, apply 2V electric current... eco-friendly: less chemical waste/ energy use... electrowetting: electric field changes liquid droplet properties, allowing precise control over the anodization... miniaturized electronics converting metal surfaces into insulating, transparent layers... optical sensors, solar panels, touchscreens, lenses, ultra-durable coatings for vehicles/ buildings/ electronics"

https://www.eurekalert.org/news-releases/1073603 "controls spin degree of freedom/ electron filling sequence, through trigonal warping effect, applying small perpendicular electric field, where s-shell filled with 4 electrons, 2 spin-up/ 2 spin-down, each from opposite valleys... when electric field increased, s-shell's electron holding capacity expanded to 12, with first 6 having same spin polarization... minivalley degree of freedom could electrically manipulate spin degree of freedom, increasing quantum control/ electron state manipulation... quantum computing, electronics"

https://www.eurekalert.org/news-releases/1073607 "platinum-coated gas diffusion layer hydrogen cathode... 2825 Wh/kg energy density, 3V, 99.7% round-trip efficiency... also developed anode-free Li-H battery eliminating need for pre-installed lithium metal, instead depositing lithium from lithium salts in electrolyte during charging, retaining advantages of standard Li-H while enabling efficient lithium plating/ stripping with 98.5% Coulombic efficiency... lower-pressure H₂ storage... renewable energy grids, EVs, aerospace... cost-effective and scalable hydrogen-based batteries" Related: Conjugated phthalocyanine framework-based artificial SEI for high-voltage lithium metal battery https://www.eurekalert.org/news-releases/1075172

https://techxplore.com/news/2025-02-dual-domain-architecture-higher-energy.html "Analog Computing-in-Memory processes/ stores data in single hardware... progress has mostly been in classification tasks (e.g., images), not in handling complex regression (e.g., You Only Look Once) object detection), due to high computational noise/ floating-point data compatibility issues... overcome combining high-precision floating point compatible digital computing/ energy efficiency... prototype memristor-based system attains 2.7X higher average precision than that of pure Analog Computing-in-Memory systems"

https://www.eurekalert.org/news-releases/1073130 "negative refraction: light in medium bends in opposite direction to what is typically observed in nature,potentially enabling perfect lens capable of focusing/ imaging beyond diffraction limit, or cloaking devices rendering objects invisible... overcomes metamaterial fabrication imperfections/ non-radiative losses... atoms interact collectively enabling negative refraction... trapping atoms in periodic optical lattices providing pristine, clean medium free from fabrication imperfections, without absorption losses"

https://phys.org/news/2025-02-gate-dimensional-transition-metal-dichalcogenides.html "smaller, high-speed, energy-efficient with modulate spin transport properties: 80 μW, maintaining high spin polarization ratios up to 0.9... enables precise control over memory operations... >4000% tunneling magnetoresistance ratios, improves spin current densities, reduces power consumption during read/ write... . These findings suggest that TMD-based spintronic memory devices are well-suited for next-generation applications requiring high-speed, energy-efficient memory solutions... AI, IoT"

https://phys.org/news/2025-02-technique-laser-thz-air.html "controls focused fs pulse group velocity, determining plasma filament's angular distribution... controls ionization velocity/ resulting THz angle, adjusting laser's ionization front where air molecules stripped of electrons... steer waves at specific angles (even backwards)...  remote THz spectroscopy analyzing materials in detail from afar, reverse secondary radiation direction producing backward THz emission"

https://www.eurekalert.org/news-releases/1073058 "irradiating with UV causes electric field spiral rotation producing circularly polarized luminescence... grinding them instead induces reversible emission color change (mechanochromic luminescence), but grinding required to induce color change also induces structural changes to crystals producing substantially less efficiency... stacked pyrenes by intermolecular hydrogen bonds promotes excimer emission even in the amorphous states... switchable, solid-state for: 3D displays, biosensing, security printing"

https://pme.uchicago.edu/news/better-texture-better-batteries "10X improved rate capability... collaborations with LG Energy Solution for commercialization... future: lower pressure during testing from 5 to 1 MPa industry standard, study texture of sodium as a readily available alternative to lithium (predict sodium metal prefers to have texture for fast atomic diffusion"

https://www.eurekalert.org/news-releases/1073121 "enhances thermoelectric performance/ mechanical processing properties of n-type  bismuth telluride  based alloys...  lattice plainification/ band engineering, introducing trace Cu atoms effectively regulate intrinsic lattice defects, achieving fine tuning of the conduction band structure, and significantly enhancing carrier mobility μ... promotes band sharpening/ divergence, significantly improved mechanical processing for large-scale production... ~6.4% power generation efficiency at room temperature... precise temperature control"

https://www.eurekalert.org/news-releases/1073108 "combines ghost imaging/ all-optical scanning, reconstructing images with exceptional resolution... no bulky nonlinear crystals bearing narrow angular emission, limited field of view, mechanical scanning... subwavelength-scale, optically-tunable photon emission angles by tuning pump beam wavelength... 1D detector array in idler path/ bucket detector in signal path... exceeds quantum ghost imaging setups >4 orders magnitude... free-space quantum communication, object tracking, sensing, quantum LiDAR"

https://techxplore.com/news/2025-02-recyclable-artificial-vision-honey-electrolyte.html "organic, biodegradable recyclable... sees/ 'remembers colors... sensing light, processing information, non-volatile memory storage function simultaneously in-memory, as do brain synapses... better than silicon-based CMOS sensors, which require significant computing/ energy resources... prototype on glass substrate using gold electrodes, electrolyte of organic photosensitive perylene layer,/honey layer... photodetector producing current spikes varying in response to different light wavelengths/ intensities... glass, gold recycled" Related: Synaptic device array integrates sensing, memory, and processing for artificial vision https://techxplore.com/news/2025-02-synaptic-device-array-memory-artificial.html#google_vignette

https://www.eurekalert.org/news-releases/1072801 "mmWave: very high-frequency radio waves transmitting lots of data using Multiple-Input Multiple-Output large groups of antennas working together... ransformer-assisted parametric CSI feedback focuses on key aspects (angles, delays, signal strength) instead of sending all detailed information... transformer AI model analyzes/ predicts short-/ long-term patterns in signal changes, making real-time adjustments even when users moving quickly... >3.5 dB lower errors... high-speed trains, satellites, V2X, maritime networks" Related: Exotic waves with tangible effects https://www.eurekalert.org/news-releases/1073249

https://www.eurekalert.org/news-releases/1072651 "wireless low-power high-speed electronic devices... patterned metal layer over silicon substrate accelerating electron flow... heating vanadium dioxide transforms small areas from insulating to tiny dynamic metallic electrodes... 10sX larger... advanced electronics that overcome the limitations of traditional materials to meet speed and efficiency requirements"

https://techxplore.com/news/2025-01-insect-eye-camera-captures.html#google_vignette "parallel frame acquisition from different time intervals determining motion, low-light, captures objects up to 40X dimmer... small, fits on finger, <1 mm thickness... channel-splitting enhances camera's speed, 1,000sX faster... compressed image restoration algorithm eliminates blur caused by frame integration... biomedical, mobile devices, portable camera systems, security surveillance, medical... future: 3D imaging."

https://www.wecb.fm/as-tall-as-a-skyscraper-and-8-times-more-powerful-than-a-wind-turbine-this-new-turbine-is-the-key-to-energy-independence/#google_vignette "circular inflatable durable fabric shell... 300 - 600 altitudes, capturing winds 5 - 8X stronger than those of lower heights... autonomously adjusts altitude automatically optimizing wind capture... initial deployment in rural Alaska... 18 cents/ KWh... easy to deploy... remote communities"

https://www.eurekalert.org/news-releases/1072380 "single tiny pore formed in silicon nitride membrane positioned in flow cell formed on chip, solutions then introduced on membrane's both sides, applying voltage... precipitates grew closing pore under negative voltage, decreasing ionic current/ precipitates dissolve opening pore under positive voltage, increasing ionic current... can act as rectifier, also as memristor with memory effect in relationship between current/ voltage, also to allow biomolecule detection... neuromorphic computing, sensing, controlled chemical reactions"

https://techxplore.com/news/2025-01-coding-greener-internet-center-energy.html "most data centers use Linux's network traffic processing... 30 lines of code rearrange what is done/ when, for much better CPU cache usage... published as part of Linux kernel release version 6.13, code could save GWh energy worldwide. Almost every single service request that happens on the Internet could be positively affected by this"

https://www.eurekalert.org/news-releases/1072790 "low-cost, lightweight, flexible alternatives to traditional semiconductors/ metals... efficient charge transport between polymer chains... topology-directed 2D aniline polymerization using anionic surfactant monolayer on water surface... 130–160 μm² domain size, 10s - 100s nm thickness... columnar π arrays with 3.59 Å interlayer spacing, rhombohedral lattices, facilitating strong in-plane conjugation/ interlayer electronic coupling... structural ordering and electronic coupling... electrodes, electromagnetic shielding, sensors" Related: Self-driving lab transforms electronic polymers discovery https://phys.org/news/2025-02-lab-electronic-polymers-discovery.html

https://techxplore.com/news/2025-02-high-definition-microdisplays-electrical-crosstalk.html "overcomes declining image quality/ color rendition as pixel density increases due to electrical crosstalk... while not compromising energy-efficiency... improved pixel resolution/ efficiency... silicon-integrated small-molecule hole transport layer patterned using microlithography mitigating electrical pixel crosstalk... high-fidelity micro-pattern arrays with up to 10,062 pixels/ inch resolution on 6" wafer... modulates charge balance within emission layers, improving luminance...smart glasses/ phones, wearables"

https://www.eurekalert.org/news-releases/1073038 "takes into account high time resolution, high imaging frame rate, large frame number at same time... overcomes high spatial/ time complexity... no high-frequency information blurring caused by traditional ultrafast compression... eliminates black/ white pixel clusters by rearranging traditional random coding structural distribution... obtains high-frequency enhanced random coding suppressing low-frequency noise in Fourier transform domain... ultrafast: laser-matter interaction, light field measurement demagnetization"

https://phys.org/news/2025-02-neutron-uncovers-spiral-magnetic-layered.html "multiferroic coupled magnetic/ electric ordering at ambient temperatures... spiral magnetic layered perovskites YBaCuFeO5... net electrical polarization, long-range magnetic order, create electric dipoles... can act on magnetic properties using electric field/ act on electric properties using magnetic field... less energy consuming, less volatile, more stable in devices, enables further miniaturization... data storage, data transmission, quantum computers."

https://www.eurekalert.org/news-releases/1072797   "alloy nanofilms with up to 70% platinum dissolved in cobalt... platinum's relativistic quantum mechanical effect boosts opto-magnetic torque, changing direction of magnets... electron orbital angular momentum generated by circularly polarized light... light-based spin memory/ storage"

https://phys.org/news/2025-02-ai-hardware-horizon-electrically-programmable.html "high energy efficiency due to integrated memory/ computing... switches magnetic states efficiently... magnetic spin Hall effect... adjusting current switches CoFeB magnetization in different traces representing multiple states mimicking synaptic weights (analog values) in AI processing... current-programmable neural networks... minimizes environmental impact of AI chips"

https://phys.org/news/2025-02-invisible-electric-wire-electricity.html "guiding spark around obstacles, to hit specific spots, even in non-conductive materials... sparks heat up air, expanding/ lowering its density, hot air then guided by ultrasonic waves (safer than lasers) into regions where sound intensity is higher, next sparks then follow these regions of lighter air because of its lower breakdown voltage... compact, affordable, continuously operable....contactless Braille system, atmospheric sciences, biological procedures, selective circuit powering"

https://www.eurekalert.org/news-releases/1072549 "photonic network interface linking (using optical fiber) small quantum processors forming quantum computer... capable of processing millions of entangled trapped-ion qubits (no limit to number of processors in network)... similar to how traditional supercomputers work... modules can be upgraded/ swapped out without disrupting... calculates in hours what today’s supercomputers take many years... quantum internet, sensors"

https://phys.org/news/2025-02-compact-camera.html "optical computing chip recognizes objects in images/ video... reduced power consumption... camera lens replaced with engineered optics... flat, lightweight 50 meta-lens layers using microscopic nanostructures manipulating light, also functioning as optical neural network... 200X faster... self-driving vehicles, robotics, medical devices, smartphones"

https://phys.org/news/2025-02-kind-quantum-gate.html "operates between 2 photonic degrees of freedom: path, polarization, frequency... combined with hyperentanglement enhances quantum communication error resilience... hyperentanglement manipulated through quantum gate, used in application, improving communication ability via quantum network... future: deploy this new technology on ORNL's quantum network"

https://techxplore.com/news/2025-01-chip-free-wireless-sensors-environmental.html "identifies objects, measures temperature without microchips... flexible, lightweight, inexpensive coils smaller than those in credit cards, sensing material of PDMS silicon rubber/ carbon fibers... absorb electromagnetic multiplexed signals from wireless hand-held reader. (£100)... carry identifying information, take real-time temperature (20 to 110°C), pH, humidity... warning food risk, also use in health care, smart clothing... multiple tags read at once at different distances... tags manufacture simple, scalable process" Related: Scientists enhance high-resolution distributed temperature sensing using plastic optical fibers https://techxplore.com/news/2025-02-scientists-high-resolution-temperature-plastic.html#google_vignette

https://www.eurekalert.org/news-releases/1072540 "multidimensional sampling overcomes flat optics limitations... flat optics pattern ultra-thin surfaces with nanostructures... metasurfaces use 100's of millions nanostructures precisely sampling/ controlling light phase distribution... sampling converts analog optical signals into discrete data points... overcomes metasurface aliasing issue with multidimensional sampling incorporating 2D metasurface lattice/ light wave properties... relaxes fabrication constraints,... UV metasurfaces, smartphone cameras, AR, VR"

https://www.eurekalert.org/news-releases/1072538 "triboelectric nanogenerators and mechanoluminescence... overcomes issues of power output stability, insufficient luminous duration... added light-emitting zinc sulfide-copper particles to rubber-like material (polydimethylsiloxane developing single electrode obtaining high efficiency.based on silver nanowires... stable performance even after repeatedly pressed >5,000X, stably generates voltages up to 60V, 395 nA... stable underwater and in dark... rescue signaling/ wearable safety devices, sports activity monitoring"