Posts

Self-reinforced ultra-ductile patented bendable concrete uses automated 3D printing

https://techxplore.com/news/2025-01-future-bendable-concrete-3d.html#google_vignette "no heavy machinery placing steel/ wood beam frame... longer-lasting less maintenance... resist tension/ compression... precisely mixed, measured/ printed... polyvinyl alcohol, fly ash, silica fume  ultra-high molecular weight polyethylene fibers... 4 different mixes with up to 11.9% higher strain capacity... large quantities short polymeric fibers... technology could help astronauts explore planets... greater resilience to natural disasters"

Low-temperature, quicker nanocrystalline direct copper-to-copper bonding advances next-gen electronic chip packaging manufacturing

https://techxplore.com/news/2025-01-temperature-copper-bonding-advances-gen.html "valuable for industrial mass production... overcomes many grain boundaries where impurities tend to concentrate, with gentle heating grains grow on the top surface but not bottom... strategic dual-layer design where coarse-grain layer impurity sink, preventing void formation near copper seed layer.... Nanocrystalline copper over coarse-grain layer... integrate different types of chips—especially those sensitive to heat—into compact, high-density 3D structures... AI, 5G networks, AR, VR"

Tuning magnetism with voltage opens a new path to spintronic neuromorphic circuits

https://phys.org/news/2025-01-tuning-magnetism-voltage-path-spintronic.html "lanthanum strontium manganite magnetic/ metallic at low temperatures but non-magnetic/ insulating when relatively warm... properties due to quantum mechanics... splits into regions with distinct magnetic properties.... energy-efficient... another approach tunes resistance to switch from low to high/ vice versa... small applied voltage change induced large oscillation frequency change... artificial intelligence, smarter, faster, and more energy-efficient information processing technologies" Related:  Anomalous Hall spin-torque: Brand new physics for next-generation spintronics https://phys.org/news/2025-01-anomalous-hall-torque-brand-physics.html#google_vignette

Attosecond science can benefit computer problem-solving, solar cell efficiency, and medical treatment and diagnostics

https://phys.org/news/2025-01-science-tiny-timescales-solar-cell.html "attosecond, intense laser pulses cause target to emit very fast-moving electron particles along with UV and X-ray allowing real-time electron motion observation... can then measure/ predict how these electrons move... 43 attosecond world record for the shortest light pulse... free-electron laser reaches electrons deep inside cores... enables probing fundamentals of quantum physics under a wider range of conditions"

New class of efficient magneto-optical memories uses tiny magnets to store data and control light propagation

https://www.eurekalert.org/news-releases/1070626 "manipulate magneto-optical cerium-substituted yttrium iron garnet optical properties within the material... 100X faster switching speeds, consume about one-tenth the power, reprogrammable >2.3 billion times for different tasks... matrix-vector multiplication, which lies at the core of any neural network”

Topography-patterned aluminum surfaces enable advancements in self-cleaning, anti-icing, and electronics cooling

https://www.eurekalert.org/news-releases/1070603 "scalable, enhances liquid transport properties... cost-effective vinyl masking (produces surfaces with high-resolution wettability contrast, improved phase-change heat transfer) lacquer resin, physical/ chemical surface treatments create patterned aluminum surfaces... improved droplet shedding during condensation... wettability behaviors from superhydrophobic to hydrophilic... fine-tunes condensation heat transfer... intricate patterns on larger surfaces... industrial applications, data servers,condensers, heat exchangers"

Highly efficient/ flexible fabric woven with metal fibers can keep cold-sensitive electric vehicles warm

https://techxplore.com/news/2025-01-fabric-woven-metal-fibers-cold.html "avoids heaters, which often lead to reduced driving range... applies plane heating element generating heat by supplying power to interior parts of vehicle, reducing energy consumption required to reach optimal temperature while maintaining longer heat retention, overcoming reduced driving winter range... weaves warp/ weft threads, metal fiber (50 μm diameter) fabric applied to vehicle seats... generating heat over large area for 10–30% higher heating performance... even if a break, performance is maintained"

Fluxonium superconducting qubit's fast control methods enable record-setting 99.998% single-qubit gate fidelity

https://phys.org/news/2025-01-fast-methods-enable-fidelity-superconducting.html "enables sustained computation through quantum error correction... fast gates reduce impact of decoherence, but can introduce counter-rotating dynamics error because of way qubits are controlled using electromagnetic waves... overcome with low-frequency qubits such as fluxonium, by controlling the relative phase of charge and flux drives of the superconducting qubit... circularly polarized drives immune to counter-rotating errors"

Novel OLED stacks enable exceptionally bright microdisplays with low power consumption for augmented reality glasses

https://techxplore.com/news/2025-01-oled-stacks-enable-exceptionally-bright.html "highly efficient, monochrome OLED microdisplay with >70K Nits brightness... individual OLED units series connected increasing brightness with each additional unit without raising current density in component... either achieves extremely high brightness or, at a given brightness, significantly reduces current density that determines lifetime... 5% brightness drop improves lifetime from 900 to 1300 hours... pectral emission can be specifically adjusted, enabling use in  waveguides or holographic elements"

Nanoscale, energy efficient method creates quantum entangled photon pairs; could transform computing, telecommunications, and sensing

https://www.eurekalert.org/news-releases/1070348 "bridges macroscopic/ microscopic, high performance nonlinear/ quantum optics... scalable, highly efficient on-chip integrable devices such as tunable 3.4 µm thick entangled-photon-pair generator on silicon chip... 6 layers thin crystal van der Waals semiconducting transition metal molybdenum disulfide, with each piece rotated 180° relative to layers above/ below (periodic poling)... quasi-phase-matching manipulates properties introduced light, creating paired photons... satellite-based distribution, smartphone quantum communication"

Device made of palladium nanosheets covalently bonded with MoS2 shows enhanced optoelectronic response in the infrared

https://phys.org/news/2025-01-molecular-velcro-covalent-bonds-2d.html "better than van der Waals: stronger bonding,wider broadband optical detection especially from UV to near IR, enhanced optoelectronic intensity... overcomes MoS2 poor IR absorbance... 3 key features: (1) MoS2 large lateral size in µm range combined with ultrathin thickness <5 nm, (2) palladium nanosheets 2D morphology enables strong IR absorbance, (3) chemical connection between the 2 facilitated via bifunctional molecule... robust against solvents/ heat... medical monitoring, video imaging, optical communications"

Efficiently expanding the light spectrum at the smallest scale, across a wide portion of the visible and infrared spectrum

https://www.eurekalert.org/news-releases/1070233 "supercontinuum generation using octave-spanning coherent light at deep-subwavelength scale (<100 nm), employing phase-matching-free 2nd-order nonlinear optical frequency down-conversion in ultrathin gallium selenide/ niobium oxide crystals... difference-frequency generated coherent light with -40 dB spectral width from 565 to 1906 nm, 5 orders magnitude thinner, 2 to 3 orders magnitude less excitation power needed, ringe visibility >0.9 demonstrating superior coherence... metrology, spectroscopy, telecommunications"

Thin film covalent organic frameworks demonstrate considerable potential for efficient energy transport

  https://phys.org/news/2025-01-covalent-frameworks-considerable-potential-efficient.html#google_vignette "high diffusion coefficients/ several hundred ns diffusion length diffusions adapted through targeted selection of their components to efficiently transport energy... both coherent/ incoherent transport, even across structural defects (grain boundaries)... coherence occurs in orderly motion waves, undisturbed over long distances, allowing fast low-loss energy transfer... incoherent are disordered, random motion requiring thermal activation, often less efficient... photocatalysis, optoelectronic: PV and OLED"

One-core-neuron-system encodes high-dimensional data into one-dimensional time-series representation

https://www.eurekalert.org/news-releases/1069796 "compact, high performing/ efficient deep learning... unlike traditional large models that rely on billions of parameters... based on delay embedding theorem, small model framework with spatiotemporal information transformation and multiple delayed feedback. This approach ensures precise forecasting while requiring, on average, only 0.035% of the parameters used in large models. Applications range from time-series prediction to image classification tasks"

Solid electrolyte interphase on lithium metal anode surfaces feature high: electronic insulation, ionic conductivity, and stability

https://www.chinadaily.com.cn/a/202501/12/WS6783a061a310f1265a1da4ee.html "enhanced performance/ safety... monoclinic m-Li2ZrF6 nanoparticle additives successfully construct a solid electrolyte interphase with excellent electrochemical properties on the surface of lithium metal anodes. This enables lithium metal batteries maintain 80 percent of their capacity after 3,000 cycles at a 2C charging rate, achieving the highest level in the same category. The synthesis process of m-Li2ZrF6 nanoparticles is simple and scalable, providing a solution for the widespread application of lithium metal batteries"

Quantum criticality induced by half of valence electrons not contributing to magnetism, instead forming pairs reminiscent of superconductivity

https://www.eurekalert.org/news-releases/1070119 "conductive/ magnetic molecular crystals having low impurity concentrations link charge ordering to superconductivity... molecules at triangular lattice vertices, a valence electron assigned to each vertex... charge fluctuations drive superconductivity... relates to quantum spin liquids where electron spins remain disordered even at extremely low temperatures... as temperature decreased, number of pairs increased, remaining electrons an antiferromagnetic arrangement... superconductivity, magnetic resistance, spintronics"

Smart glasses enter new era with sleeker designs, $200 prices

https://techxplore.com/news/2025-01-smart-glasses-era-sleeker-prices.html "$300 Meta's camera Ray-Ban $50 > standard Ray-Bans... $200 Vue with voice assistant/ music capabilities... XReal focuses on augmented reality projecting smartphone, computer, gaming console displays, moving move away from bulk headset, even if with cable connection... Halliday's $489 model, launching in March, displays text in upper corner, using AI suggesting responses during conversations, real-time translation, discrete teleprompter... Realities no speaker or camera, focuses on valued-added screen"

Quantum breakthrough may lead to sustainable chiral spintronics

https://phys.org/news/2025-01-quantum-breakthrough-sustainable-chiral-spintronics.html "hydrogen cations manipulating relativistic electronic bandstructures in magnetic Weyl semimetal MnSb₂Te₄ unveils ability to tune/ enhance electronic transport chirality... enables new quantum platforms harnessing emergent topological states for chiral nano-spintronics/ fault-tolerant quantum computing... heals system's Mn-Te bond disorder/ lowers internode scattering. enabling electrical charges to move differently when in-plane magnetic field rotated, generating desirable low-dissipation currents... topological magnets"

Spin-polarized current direction restricted to 1 direction in thallium-lead alloy single-atom layer irradiated with light

https://www.eurekalert.org/news-releases/1069799 "light interacts with single-atom layer of metal alloys, enabling more environmentally friendly data storage, ultra-fine 2D spintronics,... spin-polarized current direction restricted to 1 direction in thallium-lead alloy single-atom layer irradiated at room temperature... circular photogalvanic effect:: light conversion to spin-polarized current, where electron spins align in 1 direction depending on light polarization... ultra-high vacuum avoids adsorption/ oxidation revealing its true colors”

Techifab's memristor-based chip processes and stores data directly at the point of origin

https://techxplore.com/news/2025-01-neuromorphic-chip-benefit-industry.html#google_vignette "energy efficient, increased computational power, fast, decentralized data analysis... memristors process not just 0 and 1,' but values in between, enabling algorithms simulating neural networks...artificial synapses of bismuth/ iron oxide handle complex computations such as matrix multiplication... current prototype has 32 memristors, next phase more than 200 to model complex neural networks... autonomous vehicles. predictive machine maintenance, industrial sensor systems, edge computing"

Hidden electron transport pathways in bilayer graphene confirmed, paving the way for next-generation device design

https://phys.org/news/2025-01-hidden-pathways-graphene-paving-generation.html "nonlocal transport/ edge states exploit externally applied electric fields modulating electronic band gap, essential for electron transport... valleytronics enables faster, more efficient data handling than conventional electronics or spintronics... nonlocal resistance in regions lacking direct current flow... dual-gate graphene device, enabling precise band gap control... etching-processed edges exhibited nonlocal resistance exceeding natural edges by 2 orders magnitude... valleytronics Hall effect device design and development"

Breakthrough in 2D hBN growth on metal substrates enables cleaner energy/ manufacturing, and faster, more efficient transistors

https://www.surrey.ac.uk/news/breakthrough-2d-material-growth-opens-doors-cleaner-energy-and-next-generation-technology "hBN blocks electrical currents, withstands extreme temperatures/ resists chemical damage, protects delicate microchips, nanoporous (structured voids: selective absorption, advanced catalysis),... combines density functional theory/ microkinetic modelling hBN growth process from borazine precursors... examines diffusion, decomposition, adsorption, desorption, polymerisation, dehydrogenation... filtering pollutants, sensing, advanced energy systems, (hydrogen storage, electrochemical catalysts for fuel cells"

Automated analytical tool makes next-generation microelectronics more energy efficient and operable in extreme environments

https://www.eurekalert.org/news-releases/1070030 "reactive site structure affects single atom catalyst’s ability to speed reaction rate, much faster than with current methods... single platinum atom catalysts stabilized on magnesium oxide support, using extended X-ray absorption fine structure spectroscopy revealing active site number/ distance of neighboring atoms... automated analysis by combining data with theoretical calculations (density functional theory)...  overnight on local computer instead of few days to months "

Loss mechanism in organic solar cells overcome making them more efficient, more stable, and longer lasting

https://www.eurekalert.org/news-releases/1069649 ">18% efficient in structure-inverted solar cells with 1cm2 area... 24,700 hour (predicting 16 year) lifespan... structure-inverted, or n-i-p solar cells, are more stable... zinc oxide bottom contact creates narrow recombination area leading to photocurrent loss... overcome applying thin, solvent-processed silicon oxide nitrate passivation layer on bottom contact, eliminating recombination area, improving efficiency... potential for using the method in the large-scale production of efficient and stable organic solar cells"

Graphene-enabled enhanced laser lift-off technique improves ultrathin polyimide film manufacturing for flexible electronics

https://phys.org/news/2025-01-graphene-technique-ultrathin-flexible-electronics.html "no deformation, wrinkling, leftover residues even when film thickness below 5 μm, ultrathin displays separated smoothly without carbon residue... integrates chemical vapor layer deposition-grown graphene between 2.9 μm thick ultrathin PI substrate/ its glass carrier... graphene absorbs UV distributing heat laterally enables clean lift off... consistent current density-voltage-luminance before/ after lift-off... improved efficiency, reduced costs... rollable displays, OLEDs, wearable/ stretchable sensors, implantable photonics"

Advanced wireless communications tag reflects signals among industrial machines at high frequencies using no battery power

https://www.eurekalert.org/news-releases/1069750 "low-cost, efficient real-time monitoring, like tracking manufacturing robots' condition/ detecting refineries' gas leaks... backscattering central reader sends signal to sensor tag gathering information, tag reflects back to reader... sub-THz high frequency enables less signal confusion when more signals introduced... high-speed, broad bandwidths... antennas allow automatic signal direction change responding to frequency change... smart cities (monitor air quality, traffic flow/ sign placement), agriculture (soil sensors)"

Reduced energy consumption MRAM devices with electric-field-based data writing

https://www.eurekalert.org/news-releases/1069612 "large electric current switching magnetization vectors during writing, resulting in Joule heating/ energy consumption, overcome by multiferroic heterostructure with magnetization vectors switched by electric field... heterostructure responds with large amount of converse magnetoelectric coupling coefficient; causing strong magnetization... ultra-thin vanadium layer between ferromagnetic/ piezoelectric layers enabling magnetic anisotropy Co2FeSi layer. control... non-volatile binary state achieved at zero electric field"

Revolutionizing data centers: Breakthrough in photonic switching relies on non-Hermitian physics

https://www.eurekalert.org/news-releases/1069624 "overcomes tradeoff where larger switches handle higher speeds/ more data but use more energy/ large/ costly... 85 X 85 µm, fast 100 ps... tunes material's gain/ loss guiding optical signal towards right information highway exit... tame light flow on chip, enabling precise control over any light-based network’s connectivity... redirects in trillionths of second with minimal power consumption... silicon substrate, Indium Gallium Arsenide Phosphide semiconductor to manipulate IR... speeds up streaming movies, training AI"

High-energy density/ stability organic redox flow batteries from triphenylphosphine oxide, a 1,000s of tons/ year industrial byproduct

https://techxplore.com/news/2025-01-door-derived-redox-batteries.html "1-pot reaction of waste into energy-storing molecule... electrons pack tightly together without losing losing negligible capacity after >350 cycles... first instance of utilizing phosphine oxides as the redox-active component in battery research... raditionally, reduced phosphine oxides are highly unstable, now overcome with molecular engineering, paving the way for their application in energy storage"

Hydrogen ions (protons) for energy transfer offers more sustainable, safer, and efficient alternative to Li-ion batteries

https://energynews.biz/hydrogen-ion-batteries-for-sustainable-energy/ "organic tetraamino-benzoquinone anode enhances rapid proton movement, increasing energy density/ power output... effective even in cold temperatures... excellent performance, 3,500 charge-discharge cycle lifespan paired with tetraamino-benzoquinone cathode... also facilitates more efficient hydrogen transportation by storing protons... future: scalability/ affordability"

Photo-thermoelasticity causes semiconductors to become electrical conductors, enhancing device efficiency and performance

https://www.eurekalert.org/news-releases/1069531 "can improve energy conversion processes in semiconductor devices. The team aims to develop more efficient materials for solar cells and other optoelectronic applications by understanding the thermoelastic response to different light wavelengths and studying the stability of all physical variations for more effective solar cells. This research has the potential to advance sustainable energy technologies and reduce the environmental impact of electronic devices... renewable energy, optoelectronic devices"

Induced doping at the nucleus (seed) nanocluster phase increases performance of II-VI semiconductor-based nanocrystals

https://www.eurekalert.org/news-releases/1069528    "doping process/ location differ depending on dopant type... outstanding optical/ electrical properties... high doping efficiency... overcomes dopant absorption onto semiconductor surface during its growth, not penetrating interior effectively... stable/ precise doping in ZnSe semiconductor nanocrystals... avoids toxic/ unstable CdSe... optoelectronic devices: displays, transistors"

Scalable very high-power tunable laser/ amplifier reaches close to 2 watts output power from a silicon photonics device

https://www.eurekalert.org/news-releases/1069491 "micron to millimeter scale high-density large-mode-area integrated waveguide amplifier on silicon photonics... high optical energy storage capacity... reduces system size, weight and cost by several orders of magnitude compared to the conventional fiber or solid state-based systems ... high-speed data centers,  small-scale space satellites allowing multiple cost-effective space missions with highly enhanced capabilities not possible before"

Synchronizing motion of 6 macroscopic mechanical oscillators into a collective quantum sideband asymmetry

https://scitechdaily.com/revolutionizing-quantum-tech-scientists-achieve-collective-motion-in-macroscopic-oscillators/ "macroscopic oscillators enable ultra-sensitive sensors/ advanced quantum computing components, large-scale quantum systems... as low as 0.1% disorder among mechanical frequencies in superconducting platform... asymmetric cooling enables observation of quantum effects... increasing coupling between microwave cavity and oscillators transitions from individual to collective dynamics... dark mechanical modes not interacting with system’s cavity/ retaining higher energy... multi-partite entanglement"

Integrated spin-wave quantum memory synchronized to connect multiple short-distance into long-distance entanglement

https://www.eurekalert.org/news-releases/1069417 "overcomes transmission photon loss, enabling construction of large-scale quantum networks... rare-earth ion doped crystals... spin-wave storage stores photons into spin-wave excitation in ground states, enabling on-demand retrieval with storage time extended to spin coherence lifetime... separates single-photon-level signal from noise induced by strong control pulses using direct femtosecond-laser writing fabricating circularly-symmetric waveguide in Eu:YSO crystal, enabling polarization-based noise filtering"

Sudden transition In amorphous indium oxide thin film superconductors could shift quantum technology into high gear

https://thequantuminsider.com/2025/01/04/sudden-transition-in-superconductors-could-shift-quantum-technology-into-high-gear/ "superconductors with increasing disorder undergo abrupt first-order quantum phase transitions to insulating, sharp drop in superfluid stiffness (not electron pairing strength, consistent with pseudogap regime of preformed) at critical disorder (temperature)... improve stability/ performance of superconducting circuits/ superinductors... future: better understanding of role of repulsive interactions between Cooper pairs and emergence of localized Cooper-pair glass—a state where electron pairs are immobilized"

Switching/ memory of luminescent nanocrystals promise faster, more energy-efficient artificial intelligence and optical computing

https://phys.org/news/2025-01-discovery-bistable-nanocrystals-faster-energy.html "can be quickly toggled from light to dark and back, using low power to rapidly process/ store information using light particles... avalanching nanoparticles feature extreme non-linearity, emitting light whose intensity can increase massively with small increase in laser intensity... nanocrystals composed of neodymium doped: potassium, chlorine, lead... intrinsic optical bistability: can be either bright or dark under exactly same laser excitation wavelength/ power...  once emitting light, can cut back on power but retain same intensity"

A study funded by Tesla revealed that batteries with single-crystal electrodes could power EVs for 5 million miles

https://www.republicworld.com/tech/are-single-crystal-electrodes-the-future-of-lithium-ion-batteries-in-evs "lithium-ion battery with this new type of electrode charging/ discharging repeatedly 20K times (6 years) retains 80% original capacity... can be cycled 8X longer than regular lithium-ion battery, equivalent to EV driving 5 million miles... placed long-lasting single-crystal electrode with a more commonly utilized polycrystalline electrode... after 2.5 years constant cycling, polycrystalline electrode full of tiny cracks limiting storage"

Breakthrough circuit design with 25% less quantum cost, 21% less wasted outputs, and 51% fewer gates for specific operations

https://interestingengineering.com/science/breakthrough-quantum-circuit-cuts-power-waste "every bit of information lost during computation must be converted into a minimum amount of heat... 6 new parity-preserving reversible blocks maintain information integrity throughout calculations, ensuring input/ output mathematical properties remain consistent... optimizes multiplication operations, improved efficiency... 25% less quantum cost, 21% less wasted outputs, 51% fewer gates for specific operations...  medicine, materials science, AI... future: integrate into quantum computing systems"

Plastic crystals could replace greenhouse gases used in refrigerators

https://techxplore.com/news/2025-01-plastic-crystals-greenhouse-gases-refrigerators.html "R-134a hydrofluorocarbon largely replacse freon, while not breaking down Earth's ozone layer, is greenhouse gas... replacement with plastic organic ionic crystals, whose moleculest when pressurized move from disorganized to neat grid, absorbing heat/ chilling surrounding air... when pressure released returns to disorganized... pulls heat from air ranging from -37 to 10°C... compression chamber repeatedly squeezes/ un-squeezes crystals, added fan blows chilled air into area around device... future: less pressure/ cost"

China beats Starlink in hi-res satellite-to-ground laser transmission at 6G standard, setting 100 Gbps speed record

https://www.scmp.com/news/china/science/article/3293038/china-beats-starlink-hi-res-space-ground-laser-transmission-6g-standard "accomplished between truck-mounted ground station and 1 of 117 satellites of Jilin-1, world’s largest sub-metre commercial remote sensing satellite constellation, owned by Chang Guang Satellite Technology Co... plan to deploy these laser communication units across all satellites in the Jilin-1 constellation to improve their efficiency, with a goal of networking 300 satellites by 2027... satellite positioning, ultra-high resolution remote sensing"

Zinc-iodine batteries with hierarchical porous carbon framework, integration of molybdenum carbides with single-atom catalysts

https://www.eurekalert.org/news-releases/1069428 "coprecipitation method encapsulates molybdate ions into zeolitic imidazolate framework-8, followed by electrospinning/ calcination creating free-standing porous carbon fibers with zinc single atom sites/ molybdenum carbide clusters...  230.6 mAh g−1 specific capacity at 0.5 C (1 C= 0.211 mA cm−2) current density, 90% capacity retention after 20K cycles... demonstrates manipulation of electrocatalytic activity of MoC clusters via Zn-N4 site incorporation for iodine redox reaction"

Noise-tolerant quantum algorithm reduces number of two-qubit gates by over 85% speeding up solutions for complex optimizations

https://investors.ionq.com/news/news-details/2024/IonQ-and-Oak-Ridge-National-Laboratory-Unveil-Novel-Approach-to-Scalable-Quantum-Computing/default.aspx "collaboration between IonQ (high-performing, enterprise-grade trapped-ion technology) and Oak Ridge National Laboratory (world-class quantum technologies expertise)... scalable quantum computing/ hybrid quantum algorithm based on Quantum Imaginary Time Evolution principle... optimization problems... outperforms in time-to-solution/ circuit depth... energy grid optimization, unit commitment, contingency planning, financial risk management, fraud detection, logistics/ supply chain, drug discovery"

Mastering vibrational properties of functionally graded materials enables lighter, stronger, and more resilient structures

https://techxplore.com/news/2025-01-microshells-melody-tuning-vibrations-tiny.html "functionally graded: enhanced resistance to thermal and mechanical stresses... porosity (microscale voids) alter structural integrity/ vibrational dynamics... vibrational behavior of functionally graded microshells affected by composition, imperfections, small-length scale coefficients... 5-parameter shear deformable model analyzing free vibrations of doubly curved imperfect functionally graded microshells, blueprint for optimizing micro-electromechanical systems/ biomedical applications... automotive, medicine"

Thin films cerium oxide-based thermal switches transforming heat flow control with sustainable and efficient technology

https://www.global.hokudai.ac.jp/blog/revolutionizing-heat-management-with-high-performance-cerium-oxide-thermal-switches/ "5.8 on/off thermal conductivity ratio, 10.3 W/m·K thermal conductivity (κ)-switching width... 2.2 W/m·K minimal (off-state) thermal conductivity, but rises to 12.5 W/m·K in oxidized (on-state)... consistent after 100 reduction/ oxidation cycles... cerium oxide abundant/ ecologically sustainable... scalable... regulate IR heat transfer, contribute to energy-efficient systems... electronic cooling, renewable energy systems, waste heat recovery, advanced displays" Related: Nanofluids, Turbulators May Boost Renewables, Cut Fossil Use https://www.miragenews.com/nanofluids-turbulators-may-boost-renewables-cut-1386921/

Machine learning predicts properties even with limited data, discovering materials with desired properties such as semiconductors

https://www.eurekalert.org/news-releases/1069246 "predicting properties such as electronic band gaps, formation energies, mechanical properties, needs training data which is limited because testing expensive time consuming... transfer learning predicts values: large model pre-trained on large dataset, then fine-tuned adapting to smaller target dataset, first learning simple task... performs much better than models trained from scratch... Multi-property Pre-Training on 7 different bulk 3D material properties... predict: band gap values, semiconductors forming point defects" Related: Machine learning algorithm enables faster, more accurate predictions on small tabular data sets https://techxplore.com/news/2025-01-machine-algorithm-enables-faster-accurate.html Tech companies are turning to 'synthetic data' to train AI models—but there's a hidden cost https://techxplore.com/news/2025-01-tech-companies-synthetic-ai-hidden.html

Photon-avalanching all-optical nanosensors of force access previously unreachable environments and could disrupt technologies

https://www.eurekalert.org/news-releases/1069189 "high sensitivity/ spatial resolution, remotely from subsurface/ interfacial sites, large dynamic range... luminescent nanocrystals change intensity/ color when pushed/ pulled... no wires/ connections... 100X better force sensitivity, no rare-earth ions, range of force spans >4 orders magnitude, 10-100X larger... from subcellular to whole-system level... biocompatible, deeply penetrating IR... nanosensors built exploiting photon-avalanching effect within nanocrystals... robotics, cellular biophysics/ medicine, space travel"

GM working on mixed-chemistry battery packs for electric vehicles.

https://www.greencarreports.com/news/1145303_gm-working-on-mixed-chemistry-ev-battery-packs "following handful of other automakers/ battery firms... patent filed... combines nickel manganese cobalt (higher power/ energy density) with lithium iron phosphate (cheaper) or other similar chemistries (faster charging), split into discreet modules, with different usable capacities... controller monitors temperature/ state of charge, potentially bypassing a chemistry, balancing performance/ cost... other companiesw: CATL faster charging plug-in hybrids, Our Next Energy 600 mile range in BMW iX... also: Mercedes-Benz"

Unexpected electronic behavior in 2D materials with a twist that defies theoretical predictions

https://phys.org/news/2024-12-2d-materials-unexpected-electronic-behavior.html "2 sheets 2D tungsten disulfide stacked 4.4° angle electrons should show superconductive collective behavior, but did not see this... explained by interactions between atoms, where twisted bilayer partially reverts to a lower-energy, untwisted configuration. ..2 sheets of the bilayer form different regions with varying properties. The study has also enhanced scientists' ability to predict and manipulate the behavior of 2D structures, paving the way for future applications in different types of electronics"

On-chip low-frequency quantum photonics simulates arbitrary-range coupled frequency lattices with gauge potential

https://www.eurekalert.org/news-releases/1069248 "controls synthetic polarization/ frequency... simulates complex structures like atom chains/ nanotubes... , which are crucial for understanding low-dimensional materials... high electro-optic coefficient thin-film lithium niobate chips... periodically modulating on-chip resonator, reveals band structures enabling coupling up to 8 and 9X lattice constant while reducing required modulation frequency >5 orders magnitude... reduces required frequencies >3 orders magnitude, reduction from 100 GHz to 10 MHz"

Researchers improve circle chaotic mapping for generating high-resolution images from low-resolution ones

https://phys.org/news/2024-12-chaotic-super-resolution-image-reconstruction.html   "traditional methods blur/ distort... Chaotic Mapping-based Sparse Representation overcomes noise/ computational complexity...  integrates into dictionary sequence, solving process of K-singular value decomposition dictionary update algorithm balancing traversal... simplifies search global optimal solutions, enhancing noise robustness... orthogonal matching pursuit greedy algorithm converges faster, complementing K-SVD, constructing high-resolution... reduced SR reconstruction complexity"

Radar algorithms analyzing contour features of received signals double the resolution of existing low-resolution radars

https://www.eurekalert.org/news-releases/1069239 "improves object recognition precision without need for bandwidth expansion or ultra-high-resolution algorithms with significant complexity... lower costs, reduced system complexity... additional information embedded in envelope of radar signals  using simpler algorithms.... also enables the precise identification of objects both inside and outside the vehicle... lidar (autonomous vehicles), aerospace"

High-performance self-charging energy storage device combines supercapacitors with solar cells to deliver high energy in real time

https://www.eurekalert.org/news-releases/1069240 "dramatically improves energy (35.5 Wh kg⁻¹)/ power (2555.6 W kg⁻¹), densities, charge/ discharge stability of existing supercapacitors, utilizing electrodes using nickel-based carbonate/ hydroxide composite, and maximizing conductivity/ stability by adding transition metal ions such as Mn, Co, Cu, Fe, Zn... minimal degradation during repeated charge/ discharge... energy storage (63%)/ overall (5.17%) efficiencies... effectively validates potential for commercialization"

Engineers develop first deep-UV microLED display chips for maskless photolithography creating new path for semiconductor manufacture

https://phys.org/news/2024-12-deep-uv-microled-display-chips.html "lower cost due to adequate light output power density, enabling shorter photoresist film exposure... applies short-wavelength UV making IC chips with various layouts... smaller, less energy consumption (lower driving voltage), higher optical power density, larger array size, higher display resolution, improved external quantum/ optical extraction efficiency, better heat distribution, epitaxial stress relief during production... future: 2k to 8k high-resolution deep UV microLED display screens"

Five breakthroughs that make OpenAI’s o3 a turning point for AI — and one big challenge

https://venturebeat.com/ai/five-breakthroughs-that-make-openais-o3-a-turning-point-for-ai-and-one-big-challenge/   "scored 75.7% on ARC benchmark under standard compute conditions (87.5% using high compute)... key innovations: 1. program synthesis for task adaptation enables dynamically combining things learned during pre-training. 2. natural language program search, using chains of thought/ sophisticated search. 3. evaluator generates multiple solution/ determines most promising. 4. reusable building blocks. 5. deep learning-guided program search... challenge: high costs/ efficiency bottlenecks inherent in pushing to limits"

Freestanding flexible thermoelectric micrometer-thick films with 204 μW m–1 K–2 power factor, a 4 orders magnitude improvement

https://pubs.acs.org/doi/10.1021/acsaem.4c02568 "4 orders of magnitude higher than pristine films... polymer chain realignment/ enhanced charge transport via solvent doping, coupled with PSS reduction during post-treatment, strengthens film mechanics... freestanding nature ensures transferability, versatility... besides thermoelectrics, these highly conductive, robust, and flexible PEDOT:PSS films provide attractive solutions for organic solar cells, battery electrodes, and flexible electronics... film made of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)"

Cross-linked poly(vinyl alcohol)–malonic acid water-soluble binder for high-performance silicon anodes in lithium-Ion batteries

https://pubs.acs.org/doi/10.1021/acsaem.4c02443 "volume expansion (>300%) leading to Si pulverization, electrode capacity fading fast, is overcome using eco-friendly carboxylic acid–based cross-linked poly(vinyl alcohol)– malonic acid water-soluble polymeric binder prepared through PVA and MA polymerization... included hydroxyl groups and ester bonds enhanced mechanics/ adhesion... when also containing 10 wt %MA exhibited 3558 mAh/g initial capacity, maintaining 2267 mAh/g after 100 cycles at 0.3 C rate... sustainable Si sources"

Photochemical/ self-assembly processes enable filiform molecule insertion into cavity of ring-shaped molecule, for nanomotors, smart drugs

https://www.eurekalert.org/news-releases/1068946 "using high-energy geometry that would not be possible at thermodynamic equilibrium, by administering light to aqueous solution... behavior at root of many functions in living organisms... eco-friendly sunlight... interlocking components: cyclodextrins, hollow water-soluble truncated cone shaped molecules, and azobenzene derivatives, molecules changing shape under light... self-assembly/ photochemical reaction harnesses light, accumulating unstable products, paving way for nanomotors, smart drugs"

New quantum thermal diodes/ transistors enable precise directional control of heat flow at the quantum level

https://phys.org/news/2024-12-advancing-unidirectional-era-quantum-thermal.html#google_vignette "thermotronics, manipulating heat flux like how electronics control electricity... qubit-qutrit quantum systems improve efficiency/ scalability... energy level alignment/ interaction of qubit/ qutrit achieves directional control... precise tuning across broad temperature range... computers using heat flow rather than electric current, cooling high-performance electronics, efficient energy harvesting of waste heat, dynamic building temperature management, thermoelectric generators, spacecraft thermal systems" Related: Is TEC the next data center cooling breakthrough? https://www.techtarget.com/searchdatacenter/tip/Is-TEC-the-next-data-center-cooling-breakthrough A New Approach for Effective Low-Temperature Thermoelectric Cooling https://analytik.news/en/press/2025/5.html

Strategies for controlling electronic transport in magnetic Weyl semimetal films suggested by Hall effect behaviors

https://www.isct.ac.jp/en/news/hdb2eg0xs653 "revealed by large in-plane anomalous Hall effect in EuCd2Sb2 films, materials with out-of-plane shift of singular points in their electronic band structures, wherein magnetic fields induce distinctive change... changes its sign with rotation of in-plane magnetic field, exhibiting clear 3-fold symmetry for rotation of in-plane magnetic fields... corresponds to orbital magnetization... technologies relying on precise magnetic field measurement (magnetic sensing)"

Quantum interference/ spin-splitting generates spin-voltage controlling quantum information flow

https://news.illinoisstate.edu/2024/12/from-waste-heat-to-quantum-innovation-advancing-spintronics/ "drastically reduces heat generation/ energy loss, leveraging electrons' wave-like nature... node-possessing molecular junctions... metal electrodes connected to single molecules, with applied magnetic field, heat converts into spin-voltage... required tackling quantum many-body problem, predicting behavior of 10²³ interacting electrons, rarely feasible, but crafted computations uncovering behaviors with potential for quantum computing, secure communication, energy recovery"

Privatte membranes with unique 3D structure achieve current densities of 500 mA/sq cm, setting a new standard for flow batteries

https://cibc.hr/revolutionary-battery-breakthrough-efficient-energy-storage-is-here/ "economic/ eco-friendly poly(ether ether ketone) membranes... better ion conductivity/ chemical stability... high-efficiency applications, such as grid storage for renewable energy or electric vehicle charging stations"

AQSolotl’s CHRONOS-Q quantum controller enables quantum computer control using laptop/ desktop computers

https://www.eurekalert.org/news-releases/1069169 "adaptable, scalable, cost-efficient... excels in speed at fraction of cost/ size... determining qubit states takes less than 14 ns enabling real-time feedback... development of renewable energy systems/ precision medicine, banking systems, databases/ data centers"

Strain tuning: Spray painting atomic potassium niobate onto a substrate enables tuning of properties of the resulting thin film

https://www.psu.edu/news/materials-research-institute/story/straining-materials-atomic-arrangement-may-make-cleaner-smarter "alters properties by stretching/ compressing atoms' repeating motif of its crystal structure... molecular beam epitaxy depositing layer of atoms... increases temperature limits/ improves ferroelectric performance.... ferroelectrics can reverse their electric polarity when external electric field applied, vital for many devices... strain engineering works by layering 2 materials of slightly dissimilar sizes... potassium niobate is lead-free... consumer electronics, medical devices, quantum computing... future: silicon substrate."

Spintronics based Magnetoresistive Random Access Memory utilizes thin film with high perpendicular magnetic anisotropy

https://www.eurekalert.org/news-releases/1069185 "cobalt-manganese-iron alloy has both high tunnel magnetoresistance/ high perpendicular magnetic anisotropy, allowing them to integrate large number of bits with high capacity/ high thermal stability...  reduced power consumption.... large memory capacity for MRAM devices using a simulation. The results of this research will offer a new candidate for memory materials, and contribute to the continuous development of novel spintronics memory devices, with the aim of creating a more sustainable society for everyone"

Non-van-der-Waals Cu₃BHT coordination 2D MOF polymer crystal structure with intrinsic superconducting properties at 0.25°K

https://www.eurekalert.org/news-releases/1069176 "advanced electronic materials, quantum states... quasi-2D Kagome structure characterized by interlayer covalent Cu-S bonds... modular lattice design, formed by metal centers/ conjugated ligands, allows exceptional control over electronic states, enabling applications in quantum transport/ superconductivity... 10³ S/cm room temperature metallic conductivity, 10⁴ S/cm at 2°K, due to enhanced electron-phonon coupling/ electron-electron interactions... interlayer covalent Cu-S bonds play key role"

Scalable ambient pressure one pot synthesized cubic polymeric nitrogen, a high-energy-density material

https://www.eurekalert.org/news-releases/1068735 "simple thermal method for preparing polymeric nitrogen at ambient conditions using azides as precursors through a thermal treatment process... for energy materials... starts to decompose at ~480°C, accompanied by heat release... remained almost unchanged in air for month (stable)... yield is significantly higher than that prepared by high pressure methods... energy storage systems, explosives and propellants"

Reduced computational requirements for Generative Adversarial Networks inserting style of one image into another

https://www.eurekalert.org/news-releases/1067967 "Single-Stream Image-to-Image Translation enables smartphone app... artistic styles, simulating weather changes, improving satellite video resolution, helping autonomous vehicles recognize different lighting... single encoder extracts spatial features, Direct Adaptive Instance Normalization with Pooling captures key style details focusing on the most prominent, improving efficiency... decoder takes combined content/ reconstructs final image... no expensive hardware or cloud services"

Game-changing covalent organic frameworks (COFs): Imine-linked wonders for tech and environment

https://www.eurekalert.org/news-releases/1069131 "tunable bandgaps, stable/ ordered structures, porous... topology design, synthesis of COF powders/ films... imine-linked: easy synthesis, structural versatility... imine linkages influence physicochemical properties... fuel cells, environmental/ energy storage, photocatalysis, hydrogen/ CO2 adsorption, optoelectronics" Related: Scientists synthesize single-crystal sp² carbon-linked covalent organic frameworks https://phys.org/news/2025-01-scientists-crystal-sp-carbon-linked.html

Nissan fueled by renewable bio-ethanol 70% efficient solid oxide fuel cell

https://www.eldiario24.com/en/not-toyota-not-hyundai-this-engine/6243/ "produces electricity by combining oxygen and bio-ethanol... CO2, water released as byproducts... no need for hydrogen storage, due to on-site converting widely accessible/ renewable bio-ethanol into hydrogen... strong catalytic activity fostered by high operating temperatures"

More economic, sustainable, longer life lithium-rich layered oxide cathode by conserving oxygen

https://www.eurekalert.org/news-releases/1069116 "up to 20% higher energy density by reducing the nickel/ cobalt cathode content and increasing lithium/ manganese... ovecomes capacity fading/ voltage decay during charge/ discharge cycles... oxygen release destabilizing... reinforced cathode-electrolyte interface by improving electrolyte composition, reducing oxygen emissions... 84.3% energy retention rate even after 700 charge-discharge cycles... improved lifespan/ performance, minimized electrolyte decomposition"

Ultra-short femtosecond laser pulses turn tellurite glass into semiconductor comprising an efficient solar panel

https://www.eldiario24.com/en/solar-femtosecond-laser-glass/6297/ "pulses create durable patterns of tellurium and tellurium-oxide crystals, forming at exact point where laser meets glass... after etching simple line pattern onto 1-cm-diameter section of tellurite glass, can generate current under UV and visible light... capability maintained reliably for months... also, sensors...windows and other glass structures"

Rapidly creating large quantities of laser light sources for displays using an inkjet printer ejecting laser-emitting droplets

https://www.tsukuba.ac.jp/en/research-news/20241219140000.html "switching light emission on/ off applying electric field to miniature/ high density/ large quantity organic droplets, arranged on circuit board comprising compact laser displays for TVs, PCs, smartphones... better brightness/ color reproducibility... 30 µm diameter droplet functions as electrically switchable laser pixel, individually controllable in 2×3 several cm array of them"

Hidden quantum behaviors within classical light, which could make quantum technologies robust

https://www.eurekalert.org/news-releases/1069040 "boundary between classical/ quantum physics... projected fragmented classical pseudothermal light fields into smaller isolated multiphoton subsystems, uncovering quantum coherence such as particle interference previously thought unique to quantum systems... most exhibited classical coherence, smaller subset exhibited quantum coherence: interference similar to entanglement... isolate quantum systems classical system hidden in quantum dynamics... room temperature quantum imaging/ sensors "

Vacancy-rich β-Li3N superionic battery boosts EV range to 600+ miles by increasing mobile Li-ion population

https://interestingengineering.com/energy/new-solid-state-electrolyte-powers-lithium-batteries "solid-state electrolyte with 2.14 × 10⁻³ S cm⁻¹ ionic conductivity at room temperature, exceptional cycling stability, 500 Wh/kg energy density, fast charging/ discharging... overcomes challenges with lithium metal anodes, oxides/ sulfide/ halide electrolytes, dendrites, detrimental side reactions... protective interlayers stabilize anode... ball-milled β-Li3N with high lithium-ion conductivity and vacancy-mediated diffusion mechanism... high air stability in dry environments"

Controlling hybrid electron-photon quantum states in chemical reactions by pulse formation of very intense, extreme UV radiation

https://idw-online.de/en/news844693 "tested in helium atoms... new laser pulse-shaping technique using FERMI free electron laser... 10 to 100 trillion W/   square cm laser intensity within few trillionths of second produces dressed states... <100 nm wavelength pulses dispersing/ contracting depending on scenario, by adjusting time lag of different laser color components... control using seed laser pulse preconditioning emission... potentially control chemical reactions with atomic precision"

Low-cost, recyclable polysulfide stores data as nanometer-size indents, for erasable high density data storage

https://www.eurekalert.org/news-releases/1068605 "low-cost sulfur/ dicyclopentadiene... lower-energy, probe-based mechanical data storage... atomic force microscope/ scanning probe makes/ reads indentations... erasable in seconds by short bursts of heat, reusable several times... more dense than typical high density data storage"

JinDou400 ramjet detonation engine's successful Mach 4 flight (3,106 mph) at 65,000 ft

https://newatlas.com/aircraft/space-transportation-mach-4-ramjet-detonation-engine-success/ "controlled detonations in combustion chamber, far more power/ thrust/ efficiency with less fuel, but only at much higher speeds... 10 ft length, 12 inches diameter., 882 lbf thrust... no moving parts, more compact, lightweight, cost-effective to produce, but ineffective at low speeds/ accompanied by turbojets to handle subsonic flight... aim: 2027 maiden flight (prototype flown October 2024)... nearly 2 X  current passenger flight altitude, >2 X  Concorde's fastest speeds... VTOL capabilities (vertical take-off and landing)"

Unlocking graphene's potential for optoelectronic and energy applications

https://www.tohoku.ac.jp/en/press/unlocking_graphenes_potential_for_optoelectronic_and_energy_applications.html "weak fluorination addresses graphene zero-bandgap limitation... eco-friendly fluoropolymers achieving selective fluorination... enables enhanced photoluminescence/ tunable transport properties, maintaining high carrier mobility... incorporating van der Waals heterostructures for flexible electronics/ systems performing simultaneous tasks... combining fluorination with strain engineering for scalable, high-performance 2D materials... safe and scalable material processing techniques... LEDs, sensors"

On-site device produces critical fertilizer ingredient ammonia using wind energy to draw air through a mesh

https://www.eurekalert.org/news-releases/1068001 "harnesses nitrogen/ hydrogen in air, catalyzed by mesh coated in oxide/ acid polymer with fluorine/ sulfur mix... room temperature, pressure, requiring no voltage... recycling water through spraying system, achieving ammonia concentrations fertilizing in greenhouse after 2 hours...microporous stone material filter... 2 to 3 years away... if scaled up economically, could drastically reduce reliance on fossil fuels across multiple sectors... future: integrating into irrigation systems" Related: Climate-Friendly Electricity Derived from Ammonia https://www.fraunhofer.de/en/press/research-news/2024/november-2024/climate-friendly-electricity-derived-from-ammonia.html

Chip-based quantum-dot laser-graded neuron mimics nerve cell functions with a processing speed a billion times faster, at 10 GBaud

https://www.optica.org/about/newsroom/news_releases/2024/december/laser-based_artificial_neuron_mimics_nerve_cell_functions_at_lightning_speed/ "overcomes photonic spiking neurons' speed limitations leveraging neuron-like nonlinear dynamics/ fast processing reservoir (future: edge) computer... processed data from 100 million heartbeats or 34.7 million handwritten digital images in 1 second, 98.4% accurate... pads injecting radio frequency signals into quantum dot laser’s saturable absorption section produce faster, simpler, more energy-efficient system... no additional complex connections... single neuron, future: cascaded... speech recognition, weather prediction"

Storing large amounts of thermal energy by integrating latent, thermochemical and sensible energy storage modes

https://www.nature.com/articles/s41586-024-08214-1 "boric/ succinic acid eutectic mixture transitions at around 150°C, with record high 394 ± 5% J g−1 reversible thermal energy uptake, by melting boric acid component... simultaneously undergoes dehydration into metaboric acid/ water, dissolving into the liquid readily rehydrating re-forming boric acid on cooling... thermal stability >1K heating/ cooling cycles... very low cost, eco-friendly/ sustainable... high energy density/ capacity/ efficiency"

Light control: Integrating metasurfaces into optoelectronic devices for better performance, efficiency, and ultra-compactness

https://www.semiconductor-digest.com/advancing-light-control-new-opportunities-for-metasurfaces-in-optoelectronics/ "captures spectral/ polarisation light/ complex light-field data, improves quantum yields/ enables precise directionality/ color control... high-resolution, improved light absorption/ power conversion efficiency, enhanced sustainability, faster/ more reliable data transmission... LEDs, lasers, optical modulators, photodetectors, AR/VR, wearable devices, optical communication, thermal management, solar energy, quantum technologies, healthcare diagnostics, environmental monitoring, autonomous transport"

Quantum teleportation over a fiberoptic cable already carrying Internet traffic without need for new infrastructure

https://www.eurekalert.org/news-releases/1068377 "harnesses quantum entanglement... place photons into less crowded light wavelengths minimizing scattering, adding special filters reducing noise from regular Internet traffic... tested over 30 km fiberoptic cable... future: longer distances, using 2 pairs of entangled photons to demonstrate entanglement swapping ... distributed quantum sensing/ computing"

Dealloying: Harnessing corrosion and transforming it into a tool for creating sustainable lightweight alloys

https://www.lifetechnology.com/blogs/life-technology-technology-news/harnessing-corrosion-scientists-transform-dealloying-into-sustainable-lightweight-alloy-design "selectively removing one or more elements from alloy through corrosion, leaving behind porous structure... controlling corrosion process tailors composition/ structure increasing strength, ductility, corrosion resistance... sustainably repurposes waste materials, utilizing existing composition, so friendly/ cost-effective... superior strength-to-weight ratio, fuel efficiency benefits... increase strength while reducing weight... aerospace, automotive, electronics... future: scalability" Related: Harnessing corrosion: Scientists transform dealloying into sustainable lightweight alloy design https://www.lifetechnology.com/blogs/life-technology-technology-news/harnessing-corrosion-scientists-transform-dealloying-into-sustainable-lightweight-alloy-desig A new transformer-based model for identifying alloy properties ht...

Swarm of microrobots optimally mobilizes its forces

https://www.exc.uni-konstanz.de/collective-behaviour/news-and-events/news/details/microrobots-and-the-lazy-agent-problem/ "identifying/ rewarding individual efforts where swarms of tiny robots propelled by laser spots work together performing complex tasks... machine learning algorithm and method estimating each microrobot’s contribution, preventing lazy agent problem... counterfactual rewards precisely control each microrobot’s behavior, giving swarm indicators learning to make better distribution of forces on its own... applicable in any collective system... medicine, environmental monitoring" Related: Scientists develop technology to control cyborg insect swarms https://techxplore.com/news/2025-01-scientists-technology-cyborg-insect-swarms.html

Rocket fuel ignition- inspired reaction yields nanoporous carbon with record 4.8K square meters/ gram surface area

https://news.cornell.edu/stories/2024/12/rocket-inspired-reaction-yields-carbon-record-surface-area "sucrose and template material shape/ structure carbon... reactions occurring spontaneously when certain chemicals mix, releasing rapid, intense energy burst (ignites), forming carbon tubes with high concentration of reactive molecular rings of 5 carbon atoms, instead of typical 6... add microscopic pores, metastable configuration prevening lowest energy state... captures 99% its total capacity in 2 minutes... 60 watt-hours/ liter energy density, 4X better... supercapacitors, electrocatalysts, pollution capture, energy storage"

More sustainable magnetocaloric heat pump matches current vapor-compression heat pumps for weight, cost, and power density

https://www.ameslab.gov/news/the-future-of-more-sustainable-cooling-and-heating-technology-could-be-just-around-the-corner "vapor-compression relies on harmful refrigerants... magnetocaloric heat pumps require less energy for cooling/ heating... operates by changing magnetic field applied to magnetocaloric material while pumping fluid moving heat... using space/ materials more efficiently: gadolinium, but no lanthanum-iron-silicon materials, less permanent magnet/ magnetic steel... cost will match that of current vapor-compression heat pumps in mass production" Related: New research confirms heat pumps are three to four times more efficient than boilers https://www.kensaheatpumps.com/news-blog/new-research-heat-pumps-more-efficient-than-gas/

Atom loss detection in neutral atom systems using simple circuit-based techniques, without disturbing quantum state

https://www.eurekalert.org/news-releases/1068731 "if an atom slips away in the middle of a calculation the result can be completely useless... useful quantum computers will need millions of qubits, and with so many, the odds of losing them mid-program spikes... circuit-based detection method enabling researchers to flag and correct errors achieves 93.4% accuracy... .. second atom, not involved in any calculation, indirectly detects whether an atom of interest is missing"

Neural computing'​s weight transport problem solved, enabling faster/ more accurate learning after pre-learning random information

https://www.eurekalert.org/news-releases/1068662 "biologically plausible error backpropagation learning possible without weight transport, overcoming slow learning speeds/ low accuracy, enabling use in neuromorphic computing... pre-trained with random noise, creating symmetry in forward/ backward neural cell connections, essential for error backpropagation learning... meta-learning how to learn... clues from developmental neuroscience, insight into the brain’s learning principles through artificial neural network models" Related: Laser-based artificial neuron mimics nerve cell functions at lightning speed https://www.eurekalert.org/news-releases/1068365 Artificial protein-based neural network for cells classifies signals in cells https://cen.acs.org/physical-chemistry/computational-chemistry/protein-based-neural-network-cells/102/web/2024/12

Replacing graphite electrodes with fruit and winemaking acid waste improves energy storage capacity of lithium-ion batteries

https://www.environmentenergyleader.com/stories/battery-breakthrough-turning-food-waste-into-energy-storage,53430 "prototype single-layer pouch cell utilizing artaric/ malic acid electrodes... addresses both sustainability and economic considerations... also applies to sodium-ion batteries... enhances battery energy storage, ionic conductivity, and structural stability, enabling diverse applications ranging from micro-batteries, which power medical technologies, to large-scale batteries designed for trucks and industrial applications"

Conductive hydrogel-based soft bioelectronics exhibit high water content, tissue-like modulus and ionic conductivity

https://www.eurekalert.org/news-releases/1068296 "tunable mechanical/ electrical properties... enables biosignal monitoring/ electrical stimulation... conductive fillers: carbon nanomaterials, conducting polymers, metal-based nanomaterials... low impedance/ high charge injection capacity enable real-time monitoring/ therapeutics... biocompatibility/ biodegradability ensure minimal immune response/ environmental impact... integrate with flexible circuits/ microfluidic systems... wearable sensors, neural interfaces, drug delivery, artificial muscles"

Oxygen and chlorine evolution from electrolysers employing MXene surface catalyst, without need for noble metals

https://www.uni-due.de/2024-12-17-catalysis-with-electrochemistry-instead-of-precious-metals "MXene surface changes into brush-like structure: non-noble metal atoms migrate out forming SAC (single atom catalyst)- like structures... forms gaseous chlorine from water containing chloride ions... chemical industry produces more than 70 million tons of gaseous chlorine per year for pharmaceuticals, plastics, batteries, water treatment... forms gaseous hydrogen and oxygen from water only electrolyte by means of oxygen evolution – an important step in the formation of green hydrogen" Related: Harnessing spin: New electrocatalysts could transform hydrogen production efficiency https://techxplore.com/news/2024-12-harnessing-electrocatalysts-hydrogen-production-efficiency.html Rrcombinant α-carboxysome shells, natural microcompartments from bacteria, combined with microporous organic semiconductor, is highly effective at producing hydrogen https://www.miragenews.com/breakthrough-in-eng...

Highly efficient wearable, stretchable piezoelectric harvests 280 times more electricity than conventional devices

https://www.eurekalert.org/news-releases/1068334 "highly piezoelectric efficient lead zirconate titanate... ovecomes being hard/ brittle, so insensitive to deformation... curvature-specific coupling divides electrode into different sections so that electrical energy not canceled out, leading to an energy efficiency that is 280 times higher than that of conventional stretching piezoelectric energy harvesters... wearable energy harvester" Related: Thermal-electric aerosol printer to make piezoelectric biofilms at unprecedented speed https://www.eurekalert.org/news-releases/1068908 Raindrop’s impact and physical dynamics of leaf response, with potential applications for agriculture and renewable-energy harvesting https://news.cornell.edu/stories/2024/12/understanding-leaves-resiliency-when-it-rains

Bacteria cells self-assemble their own glass coating using sea sponge enzymes creating advanced sensor microlenes

https://www.rochester.edu/newscenter/what-is-a-microlenses-bioglass-sea-sponge-632292/ "sea sponges grow light, delicate, intricate, strong silica glass skeletons... inexpensive/ easy to grow at standard temperature/ pressure, no need for complex, expensive machinery to shape accurately... silicatein enzyme from sea sponges... microlenses much smaller than typically produced... visualize smaller structures with greater clarity... glass-coated bacteria remain alive several months sensing/ responding to environment by changing optical properties, ideal studying materials' effects low-gravity environments, space"

Structure and geometry influence excited state fluorescence dynamics in aggregation-induced emission molecules

https://www.shinshu-u.ac.jp/english/topics/2024/12/exploring-excited-st.html "in both liquid and solid states... aggregation-induced emission where molecules emit light more efficiently as solid/ aggregate, restricting bending, forcing molecule to maintain stable structure emitting light due to quenching effects, restricting access to conical intersection... demonstrated in α-substituted dibenzoylmethanatoboron difluoride... shape changes within few trillionths of second... OLED, bioimaging"

Computer utilizing a Gaussian probabilistic bit (g-bit) made from a spintronics device enables energy efficient generative AI

https://www.tohoku.ac.jp/en/press/researchers_develop_spintronics_platform_for_energyefficient_generative_ai.html "g-bits building block for probabilistic computing, such as Gaussian-Bernoulli Boltzmann Machine, enabling optimization/ machine learning with both binary and continuous variables... faster, cheaper, more energy efficient iterative diffusion models creating realistic images, videos, text, portfolio optimization, mixed-variable problems... not needing complex approximations handling continuous variables which led to inefficiencies... combinatorial optimization, statistical machine learning"

Bringing the power of tabletop precision lasers for quantum science to chip-scale ultra-low-linewidth self-injection locked 780 nm lasers

https://news.ucsb.edu/2024/021708/bringing-power-tabletop-precision-lasers-quantum-science-chip-scale "cheaper, emitting single color/ frequency for ultra low-noise, stable light for ultra-precise atom measurement/ control... passing laser through rubidium atomic vapor, a near IR transitions to stable atomic linewidthsr... Fabry-Perot laser diode, resonator, silicon nitride platform... 4 orders magnitude better... cold atom quantum sensors (gravimeters/ 2-photon atomic clocks), portable field-deployable/ space-based quantum and cold-atom interferometer sensors, quantum computing with neutral atoms/ trapped ions"

Solid phase alloying process transforms common aluminum waste into high-value aluminum products in a single step

https://www.pnnl.gov/news-media/metal-scrap-upcycled-high-value-alloys-solid-phase-manufacturing "Shear Assisted Processing and Extrusion: no need for melting, casting, traditional extrusion... adding copper, zinc, magnesium, to precursor aluminum chips... <5 minutes... high-speed rotating die create friction/ heat dispersing chunky starting ingredients into uniform alloy... atomic-scale features( Guinier-Preston zones) form within alloy makes 200% stronger and increased ultimate tensile strength... also applicable to other metal alloys... customized compositions for wire arc 3D additive manufacturing"

Porous SiOx electrodes synthesized via radiofrequency sputtering fixes durability issues in all-solid-state lithium batteries

  https://www.eurekalert.org/news-releases/1068170 "overcomes low durability (the negative Si electrode repeatedly expands contracts), replaces toxic liquid electrolyte with Li-La-Zr-Ta-O solid electrolyte... much better cycling, enables SiOx films as thick as 5 µm massively boosting space efficiency/ energy density of the negative electrode 17X higher"