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Showing posts from November, 2024

Dry coating lithium-ion battery cathode particles with small amounts of graphene extends battery's life and performance

https://www.caltech.edu/about/news/graphene-builds-a-better-battery   "cost-effective, improved performance, less cobalt, quickly charge, longer time between charges (charge-rate capacity), environmentally friendly... mixing large/ small particles at room-temperature under certain conditions enables uniform coating... sharply reduced transition metal dissolution, doubled battery cycle life, allowed battery function across wider temperature range... scalable, fits into existing battery manufacturing"

Achieving brighter LEDs without reducing efficiency, while reducing production cost and environmental impact

https://www.eurekalert.org/news-releases/1065993 "most efficient light source, gallium nitride/ indium gallium nitride layer structured LEDs, utilize their intrinsic polarization... cut wafer into different orientations, altering crystal's polarization... lower polarization helpful pointing same direction as that of standard LEDs, so grew LEDs on cheap sapphire substrate in 10-13 orientation enabling greater efficiency at higher power... micro-LED displays for mobile devices, large-screen TV, automotive/ specialty industrial lighting, visible light communication, VR glasses"

More powerful, longer-lasting, efficient and stable perovskite solar cells using hydrogen-bonding additives

https://knowridge.com/2024/11/a-hydrogen-boost-for-longer-lasting-more-efficient-solar-cells/ "additive forms hydrogen bonds with organic parts, protecting key components/ preventing rapid changes... power conversion efficiency increased from 22.61 to 24.31% thanks to fewer material defects... solution stored for 140 days performed almost as well, 96.7% efficiency, as those made from freshly prepared solution... withstood high temperatures (85°C) for 72.5 days retaining >98% of initial performance... may soon be widely available" Related: AI for Better and Faster Photovoltaic Materials https://www.innovations-report.com/materials-sciences/ai-for-better-and-faster-photovoltaic-materials/ Chinese Researchers Claim Higher Efficiency With Perovskite Cells https://www.saurenergy.asia/chinese-researchers-claim-higher-efficiency-with-perovskite-cells/ Ultrathin polymer layer boosts perovskite solar cell efficiency to 26.39% https://techxplore.com/news/2025-01-ultrathin-polymer-la...

Constructing large ordered arrays of single dopant atoms in a silicon chip, that could form the basis of a robust quantum computer

https://pursuit.unimelb.edu.au/articles/from-sand-to-superposition-a-key-step-towards-a-powerful-silicon-quantum-computer "modifying method creating large single atom arrays in silicon chip, using microwaves/ laser beams manipulating qubits, even putting into superposition... standard silicon fabrication... equip silicon chips with tiny surface electrodes registers implantation of single atom from electric signal it creates when sopping in chip.... scalable physical qubits, including antimony, bismuth, germanium arrays in silicon... implant closely spaced antimony atom pairs controlled by multi-qubit-gate-operation" 

Researchers use lasers and everyday display technology to pioneer more powerful quantum computing

https://www.wits.ac.za/news/latest-news/research-news/2024/2024-11/researchers-use-laser-beams-to-pioneer-new-quantum-computing-breakthrough.html "simpler, more cost-effective... laser beams, digital displays similar to those found in projectors, simple lenses... process links light interaction with optical devices, to mathematical operations... processes multiple possibilities simultaneously, speeding up complex calculations... ran Deutsch-Jozsa algorithm, paving way for more complex quantum algorithms... handles 16 (scalable to millions) different information levels instead of 2... .. cheaper quantum optimization, machine learning, logistics, finance, AI"

Physicists propose new approach that could unlock barriers to global scale quantum network

https://www.hw.ac.uk/news/2024/physicists-propose-new-approach-that-could-unlock-barriers-to-global-scale-quantum-network "sunlight interference slows down global scale quantum communications network creation... was limited to night, enables all-day satellite transmission... facilitate quantum communications via satellite, around the clock.... alternative encoding, converting data to quantum... time/ phase encoding extends/ enhances operations 3 or 4 hours each day,... unlocks polarisation filtering capacity, yielding reduction in detected daylight... daylight SatQKD satellite quantum communications"

Flat-knitting integrates antenna directly into fabric production procedure, producing portable, highly directional reflectarray RF antennas

https://www.engineering.columbia.edu/taxonomy/term/98 "unlike traditional planar, they are small, light, flexible, less unwieldy, cheap...  unlike inkjet printed/ screen-print directly on textiles/ embroidery, conductive material is instead integrated into textile during its fabrication, overcoming delamination, slip, metallic region cracking, scalability issues... shapes divergent wavefront into a planar, increasing directionality... float-jacquard knitting (Fair Isle sweaters), metallic/ dielectric yarns...  2 devices: metalens/ vortex-beam generating... 1 square meter within 45 minutes"

Efficient and compact quantum hard drives using more reliable 2D error-correction needing fewer qubits

https://www.popularmechanics.com/science/a63000584/quantum-hard-drive/ "requires fewer qubits to suppress more errors, liberating more for quantum processing...  3D lattice with topological codes/ optimal scaling code parameters that essentially allow for error correction across two dimensions within the 3D structure. The single-dimension nature of previous error correction methods limited the system, but this new architecture pushes forward new quantum machines era including quantum hard drives... cryptography, complex quantum many-body system simulations.... future: scalability"

No sunlight required to turn ambient heat into power: Sealed hydrovoltaic cell can be used in desert and dark environments

https://www.scmp.com/news/china/science/article/3288316/chinese-teams-cell-turns-ambient-heat-power-no-sunlight-required "drawing heat from surrounds, continuously creates water vapor within hermetically sealed container for electricity generation... wind/ humidity resistance enables use in harsh environments... internal circulation hydrovoltaic effect... low cost, easy accessibility, stable electricity output for 160 hours with negligible water consumption... sealed cell made from carbon black and tissue paper... hydrovoltaic electricity generation which captures energy from the interaction of water with surfaces"

Thin, uniform, high-density, structural carbon fiber composite battery supports high mechanical loads and minimizes fire hazards

https://www.azom.com/news.aspx?newsID=63967 "epoxy resin mixed with ionic liquid/ carbonate solid polymer electrolytes... vacuum compression molding increased carbon volume fiber fraction >160 %... increased contact area between electrodes/ electrolytes, enabling high-density structure/ improved electrochemical performance... regulated air bubbles during curing, enhancing mechanics... solid polymer electrolytes, high-stiffness core material, ultra-thin structural batteries... internal components: cars, drones, airplanes, robots... ly extended single charge operating time" Related: World’s strongest battery paves way for light, energy-efficient vehicles https://www.eurekalert.org/news-releases/105737

Polymer stiffness and stretchability decoupled with molecules that release stored length

https://engineering.virginia.edu/news-events/news/major-materials-breakthrough-uva-team-solves-nearly-200-year-old-challenge-polymers "heating natural rubber with sulfur creates crosslinks between rubber molecules, transforming sticky rubber into durable, elastic vulcanized rubber... now, foldable bottlebrush polymer networks enable stretchable/ stiff rubber... bottlebrush polymers' backbone collapses/ expands, extra length inside uncoils, allowing up to 40X elongation, side chains determine stiffness... 3D-printable, can add conductive nanoparticles... prosthetics, medical implants, wearable electronics, robotics that repeatedly flex, bend, stretch"

Antenna that adjusts its shape based on temperature is made using 3D-printing shape memory nitinol alloys

https://www.spacedaily.com/reports/Shape_memory_alloy_antenna_redefines_communication_technology_999.html "change shape at varying temperatures, returning to original when heated... dynamically adapts to different RF bands replacing multiple static antennas... improved spectrum flexibility, enhanced adaptability, switches between short/ long-range... antenna morphs from flat spiral disk to cone spiral when heated by power line has to handle a lot of current... reduced processing times, scalable... missions requiring low-size/ weight RF adaptability: mobile networks, space exploration, military, scientific, commercial communications"

Dispersible carbon nanotube powder expected to enhance efficiency and sustainability in EV batteries

https://www.businesskorea.co.kr/news/articleView.html?idxno=230214 "easily applied using eco-friendly dry process... overcomes clumping/ entangling that does not mix well with other materials, by converting into powder enabling high-performance conductivity... applications to high-capacity thick-film anodes/ cathodes... low production costs, no toxic solvents, patented... more efficient, durable, and eco-friendly battery materials, which are essential for the growth of renewable energy and electric vehicles"

Low voltage ring resonators in acoustic tweezers enable manipulation of small particles with acoustic waves generating less heat

https://pratt.duke.edu/news/ring-resonators-unlock-new-abilities-in-acoustic-tweezers/?cn-reloaded=1   "higher precision/ lower power: trapping, moving, mixing... overcomes heating from high voltage applied to transducers... acoustic waves focused on each end of 2 channels running parallel, ring between lets in specific frequency which it then resonates at, amplifying, creating standing waves in liquid above, trapping particles... adjust acoustic wave amplitude on ring by changing input frequency... advanced design: 2 or more ring resonators with different resonate frequencies... biology, medicine, materials science" Related: Complex atoms in optical tweezers https://www.uibk.ac.at/en/newsroom/2024/complex-atoms-in-optical-tweezers/

Transverse thermoelectric conversion in semimetal WSi2 leads to more efficient thermoelectric devices

https://www.eurekalert.org/news-releases/1066042 "generate electricity perpendicular to heat flow allowing fewer contacts, more efficient thermoelectrics... axis-dependent conduction polarity/ goniopolar conductors conduct p-type charges in 1 direction/ n-type in another... measured thermopower, electrical resistivity, thermal conductivity of single crystal WSi2 along its 2 crystallographic axes at low temperatures... mixed-dimensional Fermi surfaces... charge carriers scatter due to crystal lattice imperfections... applying temperature difference... temperature/ heat flow sensors" Related: How PyroDelta’s Thermoelectric Technology Could Change Energy Independence https://www.usatoday.com/story/special/contributor-content/2024/12/10/how-pyrodeltas-thermoelectric-technology-could-change-energy-independence/76896147007/ Enhancing Transverse Thermoelectric Conversion Performance in Magnetic Materials with Tilted Structural Design https://www.nims.go.jp/eng/press/2024/11/20241114...

Seamless 2D spintronics graphene spin valve enabled by proximity to van der Waals magnet Cr2Ge2Te6

https://www.eurekalert.org/news-releases/1065999 "graphene ideal for transporting spin information... neighboring material alters properties of adjacent material or proximitized regions, used in graphene generating/ detecting spins by acquiring spin-orbit/ magnetic exchange coupling... lateral spin valve of single piece graphene... proximitronic electronic devices... eliminates interfaces in devices, creating seamless junction decreasing spin loss... all-proximitized spintronic device"

Lightweight electrolytes using stable, durable polymer electrolytic membranes for lighter fuel cells

https://www.ornl.gov/news/new-study-identifies-path-design-stable-durable-polymer-membranes-clean-energy "enhance efficiency, longevity... ions form clusters allowing transport of protons which change when exposed to ethanol, controlling polymers' conductivity, size, shape... alcohol molecules wrapped around the ions opening clusters just enough allowing stabilization... measuring any property of materials in computations and then comparing the results to those obtained from neutron scattering gives us confidence that the simulations are correct and can be used to understand the small-scale atomic details"

Dye-sensitized solar cell-based synaptic physical reservoir computing device mimics human synaptic behavior for efficient edge AI processing

https://www.eurekalert.org/news-releases/1065832 "low power time-series data processing, optoelectronic photopolymeric artificial synapses, inspired by eye afterimage phenomenon... controlled by input light intensity... squarylium derivative-based dyes incorporating optical input, AI computation, analog output, power supply functions in device itself... paired-pulse facilitation/ depression... >90% accurate, power consumption 1% of conventional... smartwatches, identify human motion, car cameras, monitoring: infrastructure, natural environment, health conditions" Related: Small Language Models: A Solution To Language Model Deployment At The Edge? https://semiengineering.com/small-language-models-a-solution-to-language-model-deployment-at-the-edge/

New materials to improve optical data transmission

https://www.eurekalert.org/news-releases/1065707 "transceivers: power, speed, efficiency, same or less energy... hybrid: organic carbon-based compounds printed on silicon wafers... combining silicon photonic chips with other chips to form additional material platforms, for example crystal-on-insulator platforms in which thin monocrystalline layer placed on insulating substrate for later processing into optical components... AI, quantum technologies, medical engineering (sensors for wearable devices or in optical lab-on-chip analyzing blood samples... funded"

Performance record for eco-friendly colloidal silver bismuth sulfide ultra-thin-film solar cells

https://www.eurekalert.org/news-releases/1062482 "high absorption coefficient, 1-step nanocrystal ink instead of layered deposition, reduce cost/ material loss, scalable, overcomes surface defects causing low power conversion efficiency... post-deposition in situ passivation improves surface passivation, yielding nanocrystal ink films with enhanced optoelectronics, with higher power conversion efficiency... 10% efficient... multifunctional molecular agent containing chlorine stabilize/ disperse evenly nanocrystals and  within the solution... extended carrier lifetime" "

Imprintable screen with liquid crystal potentially paves the way for new lasers, display screens, and microscopic tags

https://www.smu.edu/news/research/a-synthetic-molecular-switch-lets-you-paint-with-natural-light "switch made of organic molecule triptycene and hydrazone compounds triggers liquid crystal shape changes allowing them to reflect different colors... flip on/ off with natural light pulse... chiral triptycene interacts with liquid crystal molecule, causing other liquid crystal molecules to fall in line, rearranging in twisted, DNA-like helices, reflecting light at different wavelengths, stretching/ compressing triggers color changes... painted pattern can stay there for days... microscopic tags on bank notes deterring counterfeiters"

Achieving high >90% energy efficiency, up from 60 to 70%, in relaxor ferroelectric based ceramics

https://www.eurekalert.org/news-releases/1065828 "high discharge density by chemical doping, hierarchical structure, advanced sintering, defect structure engineering... aliovalent rare earth ion Smx-BNBST solid solutions thorough defect-engineered phase/domain structure competition... 2.1 J/cm3 recoverable energy density at low 114 kV/cm electric field... strengthened polarization switching, improved dielectric temperature stability via thermal evolutions, reduced Pr demonstrated by PFM measurement... multi-layer ceramic capacitors"

Three defects mitigated simultaneously for failure-free metal parts with complex shapes in 3D-printing advance

https://www.eurekalert.org/news-releases/1065902 "laser powder bed fusion additive manufacturing... defects: pores, rough surfaces large spatters... much faster... ring-shaped laser beam melt/s fuses thin layers... defect mitigation mechanisms reduce instabilities... drill deeper into material without causing instabilities, enabling thicker layers, increasing manufacturing productivity... understand underlying mechanisms to produce high-quality parts using the ring-shaped beam... aerospace, medical, energy"

Water-soluble complexing agent additive makes bromide aqueous flow batteries scalable, sustainable, safe and affordable

https://engineering.wisc.edu/news/engineered-additive-makes-low-cost-renewable-energy-storage-a-possibility/ "soft-hard zwitterionic trapper organic molecules encapsulates bromide ions while allowing them to remain water-soluble, but since now larger, can’t pass through membrane... ions phase-stable so don’t separate out of electrolyte or create toxic bromine gas... increased efficiency, longevity... functioned without decay for almost two months compared to ones without it, which typically fail within a day (goal: 10 or 20 years)... long-term energy-storage"

Quantum-inspired heat-to-electricity conversion boosts efficiency of thermophotovoltaic system

https://news.rice.edu/news/2024/quantum-inspired-design-boosts-efficiency-heat-electricity-conversion ">60% efficient thermal emitter... tungsten metal sheet, thin layer spacer, silicon nanocylinder network... heated base layers accumulate thermal radiation (photon bath), tiny resonators sitting on top pluck photon by photon from bath, controlling light brightness/ bandwidth sent to very efficient low bandgap PV cell... photon storage/ release control... long-term energy storage, space/ extreme environments (Mars rover), nuclear power plants and manufacturing facilities that have lots of waste heat" Related: Thermophotovoltaics demonstrate economic promise https://www.eurekalert.org/news-releases/1062503 Clean Energy Breakthrough Turns Waste Heat Into Usable Electricity (tungsten disilicide) https://scitechdaily.com/clean-energy-breakthrough-turns-waste-heat-into-usable-electricity/

Quantum computing gate achieves 99.92% fidelity for a two-qubit device using a tunable double-transmon coupler

https://www.techexplorist.com/novel-high-fidelity-quantum-computing-gate/93259/ "also, 99.98% for single-qubit gate... enhances current noisy intermediate-scale quantum device accuracy/ reliability, moving closer to fault-tolerant quantum computation with effective error correction... suppresses noise, rapid, even with detuned qubits... machine learning enables theoretical potential, optimizing balance between leakage/ decoherence errors, determining 48 ns optimal gate length... scalable... future: shorter gate length which could help further minimize the incoherent error”

New breakthrough in OLED technology

https://www.myscience.org/news/wire/new_breakthrough_in_oled_technology-2024-durham "improved stability, efficiency... rigidly planar charge-transfer molecules extend lifespan... intramolecular charge transfer excited states... model links molecular bonding patterns leading to molecular breaking pi-conjugation in excited state... enables better triplet harvesting, improving efficiency... bio-imaging and photocatalysis where stable high-efficiency light emission is valuable, smartphones, TVs"

High dimension quantum information qudit instead of qubit: photon orbital angular momentum adjusts phase through holograms

https://www.eurekalert.org/news-releases/1065510 "quantum computing Variational Quantum Eigensolver algorithm combines Quantum Processing Unit/ Classical Processing Unit for faster computations... estimates interatomic bond distances/ ground state energies using fewer resources... overcomes error issues limiting scaling... implemented by 1 photon, reducing errors without complex quantum gates... superconductors, trapped-ion systems: development of new drugs/ materials... more accurate quantum computing without need for error-correction technique" Related: 3D-Printed Vortex Beam Generators Unveiled https://www.miragenews.com/3d-printed-vortex-beam-generators-unveiled-1377320/

Honda moves closer to solid-state battery breakthrough with new demo production line

https://headlight.news/2024/11/20/honda-moves-closer-to-solid-state-battery-breakthrough-with-new-demo-production-line/   "2nd half of 2020s... lighter, more energy dense... cut battery cost in half, to $50-60 kWh... need to make scalable: demonstration line replicates processes required for mass production... demo line 295K square feet, roll-pressing process increasing cell density enabling continuous production... reduce production time per cell" Related:   Honda claims its future EVs 620 miles on full charge this decade https://insideevs.com/news/743468/honda-solid-state-ev-620-miles/ MG parent to release new EV with semi solid-state batteries and over 1,000kms range https://thedriven.io/2024/12/08/mg-parent-to-release-new-ev-with-semi-solid-state-batteries-and-over-1000kms-range/

Tunable spatially and temporally ultrasound propagation in 3D microscale acoustic or elastic wave metamaterial

https://news.mit.edu/2024/tunable-ultrasound-propagation-microscale-metamaterials-1120 "lightweight/ strong, at high frequencies... positioning microscale spheres within metamaterial lattice, leading to wave guiding or focusing responses... nondestructive, high-throughput laser-ultrasonics... acoustic demultiplexer... using simple geometrical changes, expands tunable dynamics... simple geometric changes  in mass/ stiffness... 1 constituent material and 1 base 3D geometry... extreme-condition ultrasound: imaging including medical, information transmission, mechanical computing"

Defect-rich heterostructures in sulfide/carbon composites trigger strong polarization coupling, enhancing electromagnetic wave absorption

https://www.eurekalert.org/news-releases/1065527 "enriched with sulfur-vacancy-rich sulfides at their heterointerfaces... cation-regulated synthesis, scalable, simplified, energy-efficient fabrication... 1-pot water-soluble ι-carrageenan as carbon matrix precursor, sulfur source... heterointerfaces disrupt lattice periodicity and modify charge carrier transport dynamics, enhancing electron accumulation/ consumption, amplify dielectric polarization loss... 6.76 GHz absorption bandwidth at 1.8 mm thin layer... stabile/ durable... military stealth technology, electronic devices, communication"

Nvidia rivals focus on building a different kind of chip to power AI products

https://apnews.com/article/ai-inference-chips-nvidia-dmatrix-corsair-groq-914b9a33faf865080eaf7d9ca4096de3 "AI inference chips more attuned to day-to-day running of AI tools, lower product and computing costs... inferences from what it already knows to produce response.,, Corsair: 2 chips, 4 chiplets each, packaged in way keeping them cool... uses can use own enterprise data... prioritizes fast chatbot response... AI video generation, big data centers, desktop computers, laptops, phones" Related: Leaner large language models could enable efficient local use on phones and laptops https://www.eurekalert.org/news-releases/1065328

A thermoacoustic engine converting excess heat, for example, from a camp stove, to acoustic, and then mechanic or electric energy

https://www.eurekalert.org/news-releases/1064586 "can generate from 10's to 1,000's of watts... challenges in this research, particularly concerning stability and energy loss... residual heat from combustion or solar energy: aviation, marine engineering, industrial, refrigeration"

High-precision multi-focus laser sculpting of microstructured glass components

https://www.eurekalert.org/news-releases/1065421 "precise multi-focus laser seamlessly aligns with designed groove profile, expediting production, further enhanced by subsequent chemical etching... scale 10's to 100's µm... corrects multi-focus laser position deviations from glass’s refractive index/ nonparaxial conditions... ameliorates multi-focus energy uniformity degradation... accommodates many groove geometries... structured glass-based optics, optoelectronics, fiber packaging trapezoidal groove arrays" Related: Building roots in glass, a bio-inspired approach to creating 3D microvascular networks using plants and fungi https://www.eurekalert.org/news-releases/1065348

Custom shaped/ grown lead-free organic crystals used in piezoelectricity generated by squeezing amino acid molecules

https://www.ul.ie/research/news/ul-researchers-develop-new-method-of-generating-eco-friendly-energy "Pb-FREE: low-cost, low-temperature, eco-friendly shaping/ gowing using silicon moulds... alternative to currently used ceramics/ growing biological crystals behaving in chaotic way... sensors in consumer electronics/ medical devices"

Speed record: Ions move more than 10X faster in mixed organic ion-electronic conductors; potential for faster battery charging, biosensing

https://www.eurekalert.org/news-releases/1065327 "combine the advantages of biological  ion signaling with computers' electron signaling... molecules attract/ concentrate ions into separate nanochannel creating tiny ion superhighway... slow ion movement also slows electrical current, overcome using straight nm-sized channel just for ions, attracted lining channel with hydrophilic electrolyte... conversely lined with hydrophobic, ions stayed away, forced through slower path... flipping creates electrical pulse... battery charging, biosensing, soft robotics, neuromorphic computing"

Machine learning aids rapid advancement of a high-resolution 3D printing technology

https://www.qut.edu.au/news?id=197730 "automated melt electrowriting in hours, not days... more consistent results... machine learning created closed-loop process control system... monitors fibre-flight pass, allowing real-time imaging for continuous analysis... feedforward neural network, optimization techniques, feedback loop ensuring consistently reproducible printed parts... biomedical (soft robotics, tissue engineering)"

Low temperature lab-grown diamond production uses protective techniques for quantum properties, innovative surface treatments

https://scitechdaily.com/new-research-unlocks-the-secret-to-low-temperature-diamond-growth/ "with certain acetylene concentration, more hydrogen near surface enables more diamond to form, even at lower, soot suppressing temperature... some applications require nitrogen-vacancy centers: quantum diamonds, potentially qubits... plasma-surface interaction: more reliable/ less damaging adding single layer hydrogen atoms... 2 new methods: cold plasma termination, forming gas annealing... semiconductors, quantum computing, secure communications, optics, biomolecular sensing (temperature, magnetic fields)" Related: Diamonds can now be created from scratch in the lab in just 15 minutes https://www.earth.com/news/real-diamonds-can-now-be-created-from-scratch-in-the-lab-in-just-15-minutes/ HKU engineering researchers develop revolutionary diamond fabrication technology https://www.eurekalert.org/news-releases/1068794 Scalable production of ultraflat and ultraflexible diamond membrane ht...

Triazenolysis produces raw materials for manufacture of polymers, pharmaceuticals, and agricultural compounds

https://www.technion.ac.il/en/2024/11/technion-researchers-have-developed-a-new-chemical-process-triazenolysis/ "chemical process converting alkenes – common organic compounds such as petroleum – into multifunctional amines useful in various research and industrial applications. The Technion-developed process mimics ozonolysis, a long-established technology used to create molecules with carbon-oxygen bonds... triazenolysis instead produces carbon-nitrogen bonds relevant to a wide range of applications by cleaving carbon-carbon bonds in olefins"

Universal coherent control of interacting spins in semiconductor quantum dot four singlet–triplet qubits

https://www.nature.com/articles/s41565-024-01817-9 "2 × 4 germanium quantum dot array with full, controllable interactions between nearest-neighbour spins... 2-axis single-qubit control of each qubit, SWAP-style 2-qubit gates between all neighbouring qubit pairs, yielding 99.49(8)–99.84(1)% average single-qubit gate fidelities, 73(1)–90(1)% Bell state fidelities... circuit generates/ distributess entanglement across array... singlet–triplet qubits a competing, scalable, quantum computing platforrm... quantum information processing, quantum magnetism" Related: Quantum dots enhance spin chemistry in radical pairs https://phys.org/news/2025-01-quantum-dots-chemistry-radical-pairs.html

Designing a spiral ladder-inspired tool that allows precision control of light direction and polarization

https://www.eurekalert.org/news-releases/1064840 "quantum dot next to nanostructure enables directional emission or circular polarisation... all mirror symmetries must be broken in structure emitting chiral waves... twisted bilayer metasurfaces of 2 layers periodically arranged discs with notches carved at specific angles generating electricity... disc notches cause asymmetry, allowing emitted waves' polarisation control of distance between layers, angle between notches, lateral shift of top/ bottom discs... biological/ chemical sensing, optic communications, quantum computing"

Moving graphene from lab to fab – prototype manufacturing facility for 2D materials could transform electronics

https://projects.research-and-innovation.ec.europa.eu/en/horizon-magazine/moving-graphene-lab-fab-how-2d-materials-could-transform-everyday-electronics "scale by automating existing processes... graphene protected by thin polymer layer, transferred to silicon base... graphene 200 or 300 mm across... plasma technology creation/ manipulation of matter with atomic-scale accuracy, 2D-EPL manufacturing process...  cheap and large-scale manufacture of advanced electronics and sensors, allowing the development of devices that haven’t even been invented yet... fast transistors, sharp sensors, energy-efficient data centers, fast internet, photonics, optoelectronics"

Ultrafast room-temperature non-volatile light-matter polar order manipulation in charge density wave of quantum materials

https://arxiv.org/abs/2310.10293 "induce long-lasting fully reversible electronic states using laser excitations... charge-density-wave material EuTe4... all-optical... modifies electrical resistance, 2nd harmonic generation intensity, resulting in layer-specific phase inversion dynamics by which photoexcitation mediates stacking polar order... extends scope of non-volatile all-optical control of electronic states to ambient conditions... distinct role of layer dependent phase manipulation in quasi-two-dimensional systems with inherent sublayer stacking orders"

Compound metalens achieves on-demand distortion-free imaging with wide field of view

https://www.eurekalert.org/news-releases/1064994 "doublet metasurface additional degrees of freedom for custom-tailoring angle-dependent image height relations, enabling distortion control, minimizing other monochromatic aberrations... compound fisheye metalens barrel distortion <2% instead of up to 22%... amorphous silicon nanopillars on glass substrate, polymethyl methacrylate coated... laser direct writing for field aperture stop, electron beam lithography for patterning the metasurfaces... beam steering, imaging, depth sensing, display projection" Related: Metalenses harness AI for superior performance https://www.eurekalert.org/news-releases/1065066

Inferentialism: A new system of logic that could boost critical thinking and AI

https://theconversation.com/researchers-have-invented-a-new-system-of-logic-that-could-boost-critical-thinking-and-ai-242617 "abstract categories of objects do not define truth of facts about these categories... word meaning is its use in language, more about context/ function, inferential behaviour, laying groundwork for inferentialism... understanding given by relationship between language elements... proof-theoretic semantics: inferentialism made concrete, revolutionizing human/ machine reasoning/ discourse... overcomes  hallucination by having fit for purpose understanding of logical consequence... beyond true/ false, improving discernment"

Mottronics: Topological defects in the structure of Mott insulators in vanadium oxide can trigger transformation into a conductor

https://www.eurekalert.org/news-releases/1065024 "Mott insulators' poor conductivity determined by strong interactions among electrons moving non-linearity throughout lattice... small change of applied voltage induces dramatic electric property change/ release of some conducting electrons of about 1 per unit cell, many orders magnitude larger than what can be achieved in conventional semiconductors by doping... faster, more energy-efficient memories using topological defects switching between insulating/ conductive, neuromorphic devices, low-energy switches, AI"

First mechanical qubit is similar to a drum skin that is simultaneously vibrating and still

https://spectrum.ieee.org/mechanical-qubit "harmonic mechanical resonators using small evenly spaced energy between vibrating states, coupled to anharmonic electromagnetic qubit... 200 ms prototype mechanical qubit coherence time 2X that of superconducting qubit... piezoelectric disk on sapphire slab mechanical resonator, connected to superconducting qubit on separate sapphire chip as anharmonic... mechanical quantum computers running long complex programs, quantum sensors"

Sperra's StEnSea seabed spherical energy storage: Emptying charges sphere, water flowing in generates electricity

https://www.iee.fraunhofer.de/en/presse-infothek/press-media/2024/fraunhofer-iee-and-partners-test-spherical-energy-storage-on-the.html "prototype: anchor hollow 9 (30 for production model)-M diameter 400-ton concrete sphere at 500 to 600-M depth, 0.5-MW power, 0.4 MWh capacity... 3D concrete printed... end of 2026 at latest... top opening into which pump turbine, will integrated in pipe... total global storage potential 817K GWh... 4.6 cent KWh storage cost, €1,354 investment cost per KW, €158 euros per KWh of capacity, concrete lifetime 50 to 60 yrs, turbines/ generators 20 yrs... short to medium-term scalable storage"

Hammerspace Global Data software transforms GPU computing servers into Tier 0 ultra-fast, persistent shared storage

https://www.nacleanenergy.com/energy-storage/hammerspace-transforms-gpu-computing-infrastructure-as-first-to-unlock-a-new-tier-of-ultra-fast-shared-storage "delivers data directly to GPUs at local NVMe speeds, improving computing performance, storage efficiency, flexibility... no need for expensive external storage, reclaims data center space... reduce setup time... reducing power demands 95% compared with deploying external networking/ storage... spans silos, sites, clouds... operates within Linux kernel using standard protocols... checkpointing 10x faster than external storage, eliminates lag... 20% more output from existing investments, millions in recaptured value" Related: AI comes down from the cloud as chips get smarter https://techxplore.com/news/2025-01-ai-cloud-chips-smarter.html

Laser can act like an opaque object casting a shadow; could lead to using a laser beam to control another laser beam

https://www.eurekalert.org/news-releases/1064416 "directed high-power laser through ruby crystal cube/ specific laser wavelengths creating shadow due to optical nonlinear absorption, influencing another optical field... green laser enters ruby with blue laser from side, changing material response to blue wavelength... green laser acts like object, increases optical absorption of the blue, creating matching region in illuminating light with lower optical intensity... optical switching, high-power lasers"

Entanglement between very different entities such as traveling sound waves, phonons, and optical photons

https://www.eurekalert.org/news-releases/1064880 "efficient, based on Brillouin-Mandelstam scattering optical nonlinear effect... coupling at different energy scales, phonons moving at  much slower speed....can operate at temperatures in the tens of Kelvin. This is much higher than those required by standard approaches, which often employ expensive equipment such as dilution fridges... alternative to volatile photons, for quantum memory, quantum repeaters/ signal processing... possibility of implementing this concept in optical fibers or photonic integrated chips"

Solving complex combinatorial optimization problems faster with improved ising machine technology

https://tokyouniversityofscience.medium.com/solving-complex-problems-faster-innovations-in-ising-machine-technology-1d8a6f8d9dbc "more scalable... halve required spin–spin interactions using matrix-folding... large-scale combinatorial optimization... smaller circuit footprint... half of interaction matrix redundant, can be omitted... divided matrix into 4 sections, halving each, alternatively preserving either top or bottom halves of each submatrix.  then folding/ rearranging remaining elements into rectangular shape... 384 spins on 8 FPGA chips... performance ratio 400X better... data center/ power grid efficiency, faster molecular simulations"

Novel pathway harnesses crystal lattice disorder to enhance electrocaloric cooling in barium titanate based systems

https://www.nanowerk.com/nanotechnology-news3/newsid=66019.php "electricity generated cooling more efficient, cost-effective, environmentally friendly... ceramic BaTi1-x-ySnxZryO3 created mixing different elements introducing size disorder in atoms/ changes in structure, reulting in 0.80 K temperature drop using electric field... maintains large cooling over wide temperature range" see also: New route based on lattice disorder developed to improve electrocaloric effect  https://www.eurekalert.org/news-releases/1066157 Related: Cooling with light: Exploring optical cooling in semiconductor quantum dots https://www.eurekalert.org/news-releases/1065953 New cooling pump drops temperatures by 16 degrees, more at source of heat https://www.eurekalert.org/news-releases/1070463

Nano-scale changes in structure can help optimize ion exchange membranes for use in devices such as redox flow batteries

  https://www.imperial.ac.uk/news/258053/finetuning-exchange-membranes-better-energy-storage/ "longer lasting, lower cost, more energy-efficient... sustainable ,synthetic, conductive, selective polymer membranes, based on polymers of intrinsic microporosity with rigid, twisted backbones shot through with hour-glass shaped micropores... membrane swelling control opening pores/ reduce selectivity... adding hydrophobic pendant oxadiazole/ benzene rings to PIM polymer backbone tunes local hydrophobicity/ pore size/ ion transport... membrane swells a little, but pores still below 1 nm diameter... 2 months stable"

Atomically thin gallium oxide semiconductor memristor network will optimize neuromorphic computing

https://www.eurekalert.org/news-releases/1064403 "high speed, energy efficient, optimized for AI... ultrathin memristors based ultrawide-bandgap... sub-2-nm-thick memory... stack selected atomic layers... atomically tunable memristors acting as neurons and synapses on a neuromorphic circuit. By developing this circuit, we aim to enable neuromorphic computing. We want to mimic how our brain thinks, computes, makes decisions and recognizes patterns — essentially, everything the brain does with high speed and high energy efficiency"

Floquet Majorana fermions' role in Josephson effect leads to more precise control of quantum-driven superconductors

https://www.eurekalert.org/news-releases/1064595 "overcomes quantum decoherence due to temperature fluctuations, electromagnetic noise... encoding quantum information non-locally, spread over larger distance, immune to local noise/ fluctuations... superconductors exposed to external energy cycling on/ off alters Majorana fermion behavior, transforming them into Floquet Majorana fermions... Josephson effect enables current between 2 superconductors without voltage... faster, more error-resistant quantum computer hardware"

Breakthrough in optical photonic time crystals could change light-matter interaction control

https://www.eurekalert.org/news-releases/1064459 "exponentially amplify light... crystals uniform in space, exhibit periodic oscillation in time, creates momentum band gaps where light pauses inside crystal while intensity grows exponentially over time... when excited, particle emits tiny light at specific wavelength, captured/ amplified by crystal, enabling more efficient detection... array of tiny silicon spheres used to predict special conditions needed... high-efficiency light amplifiers, optical computing, imaging, faster and more compact lasers, nanosensors" Related: Ultra-high-Q photonic crystal nanobeam cavity for etchless lithium niobate on insulator (LNOI) platform https://www.eurekalert.org/news-releases/1065364 New Paradigm of Quantum Information Technology Revealed Through Light-Matter Interaction https://www.asiaresearchnews.com/content/new-paradigm-quantum-information-technology-revealed-through-light-matter-interaction Space-time crystals, an important step to...

Storm in a laser beam: Physicists create vortices that can transport huge amounts of data

https://www.eurekalert.org/news-releases/1064375 "manipulating metallic nanoparticles interacting with electric field... quasicrystals in geometric shapes supporting vortex design halfway between order/ chaos... relationship between vortex symmetry/ rotationality... found where particles least interacted with electric field, examining electrical field for hotspots of high vibration, and non-vibration spots... send vortices carrying 8 to 16X more information in much smaller space, at once, down optic fiber cables unpacking at destination... encoded telecommunication" Related: To Build Better Fiber Optic Cables, Ask a Clam https://today.duke.edu/2024/12/build-better-fiber-optic-cables-ask-clam

Planar spoof plasmonic neural network (SPNN) platform capable of directly detecting and processing THz signals

https://www.cityu.edu.hk/media/news/2024/11/11/cityuhk-researchers-unveil-advanced-terahertz-neural-network "overcomes low-space transmission efficiency/ large spatial dimensions, limiting miniaturisation/ broader applications... compact, scalable, efficient, integrable, directly processes/ recognizes diffractive information with low power consumption/ light, speed... compact spoof surface plasmon metamaterial polariton diffraction and phase-shifting layers... intelligent communication, advanced computing, THz on-chip integration, handwriting recognition without relying on digital processing, multi-user distinction"

Software enables computers to perform processing operations directly in memory, bypassing the CPU

https://www.technion.ac.il/en/2024/11/multipurpose-memory/ "increased processor calculation speed/ memory storage capacity... software instructions supporting in-memory computations... convert Python commands into machine commands executed directly in memory... simulation tool for developing hardware/ measuring performance... short and simple code, resulting in significant performance improvements... bioinformatics, finance, information systems"

New approach for tuning current flow in 2D MOFs by adjusting molecular length of OPT molecules and metal centers

https://phys.org/news/2024-11-approach-tuning-current-2d-mof.html "molecular heterojunction rectifiers constructedy connecting porphyrinic 2D MOF nanosheets and oligophenylene thiols self-assembled monolayers within metal electrodes... rectification ratio >1.67 order magnitude... rectification variations come from adjustment of energy level alignment at OPT SAMs//2D MOF interface, leading to asymmetric charge transport with voltage polarities... universal/ flexible strategy for regulating electrical behavior without need for specific design and synthesis"

Portable system uses UV and RGB to change color/ texture displaying dynamic patterns in health data and fashion designs

https://news.mit.edu/2024/portable-light-system-can-digitize-everyday-objects-1106 "PortaChrome can be attached to everyday objects like shirts and headphones... to make reprogrammable, object coated with photochromic dye, invisible ink tturned into different colors with light patterns... create/ relay patterns to item... UV lights saturate/ RGB LEDs desaturate dye, activating colors... can wear their heart rate chart on shirt after workout... textile base backbone, textile layer with UV lights and another with RGB, silicone diffusion layer on top... can be flexibly wrapped around objects... displays, screens"

US firm sets record with plasma fusion temperature of 392 million degrees F for 24 hrs

https://interestingengineering.com/energy/plasma-fusion-record-by-quantum-kinetics “Quantum Kinetics Corporation’s patented modular reactor surpassed, by order magnitude, previous record KSTAR April 2024 105 million°C for 48 seconds… third party, peer-reviewed experiments with radioactive wastewater… thorium, lead, tungsten, boron, potassium, magnesium, gallium, silicon forming from process… cracked Uranium 234/235/238… can treat stored nuclear wastewater at legacy/ operational nuclear power plants... yields several forms of energy including 0.7KeV – 30KeV X-ray photons” Comment by Simon Derricutt via email: "Though it's talking about 24 hours, there's a concentration on talking about the first and second minute. Seems like the temperature is estimated from the photon energy of the X-rays produced, and in any case temperature isn't actually defined in this situation so it's pretty meaningless. What would be useful is the combined collision energy in eV. How far is...

Innovative transistor for reconfigurable fuzzy logic hardware could boost edge computing, fewer round-trips to cloud

https://hwbusters.com/news/innovative-transistor-for-fuzzy-logic-hardware-could-boost-edge-computing/ "compact, faster, more efficient processing on local (non-cloud) devices... flexible reasoning rather than strict binary processing so less power-hungry, more adaptable... van der Waals materials layers held together by weak forces... molybdenum disulfide circuits need fewer resources... image segmentation, deep learning algorithms, robotics, autonomous vehicle, healthcare, IoT"

Elastomeric silicone foams 3D printed via direct ink writing on top of circuit boards provide electrical and mechanical protection

https://www.llnl.gov/article/52021/3d-printed-solutions-electronics-protection "electrostatic discharge protection, circuit board survives strike with a hammer... cellular foams with customizable pore architectures evenly distribute stress, amenable to silicone resins (low volatility, good elasticity, plasticity, viscosity, broad thermal stability) tuned to precise control... direct ink writing extrusion process... silicone resin formulation of conductive carbon nanotube concentrates, and rheological modifiers (thickeners) allowing tailored porosities at high resolutions... medical, soft robotics, wearables" Related: Big leap forward for environmentally friendly ‘e-textiles’ technology https://www.eurekalert.org/news-releases/1069331

First practical application of viscous electron flow realizes terahertz photoconductivity in graphene

https://techxplore.com/news/2024-11-application-viscous-electron-terahertz-photoconductivity.html "in doped metallic graphene Dirac electrons exposed to continuous-wave THz photoresistance is thermally decoupled from the lattice activating hydrodynamic electron transport... in this regime, the resistance of graphene constrictions experiences a decrease caused by the THz-driven superballistic flow of correlated electrons... superballistic devices as sensitive phonon-cooled bolometers offering ps-scale response time... ultra-fast THz sensors, electron thermometers"

Perseus slows lighter-loaded processors reducing energy needs up to 30% in training large language models

https://www.hackster.io/news/perseus-looks-to-save-us-all-from-ai-energy-bloat-boosting-training-efficiency-through-slowdowns-22de138a8f3b "AI models are divided into tens of thousands processors to be trained... identifies which training tasks take longest to complete, slowing down processors handling shorter tasks so everything finishes roughly same time... allows lighter-loaded processors finish at leisurely pace, enabling overall power usage to be reduced up to 30 percent.... bigger data centers"

High-power ultra-wide band gap semiconductors: Faster and more efficient while remaining transparent to visible/ UV light

https://www.eurekalert.org/news-releases/1064063 "high-performance at elevated temperatures... 2D transparent conducting oxide... eliminated defects in the material to increase its performance. Through detailed electron microscopy, we saw this material was clean with no obvious defects, revealing just how powerful oxide-based perovskites can be as semiconductors if defects are controlled... computers, smartphones, quantum computers"

Beyond wires: Laser-based bubble printing technique creates ultra-flexible liquid metal circuits

https://www.eurekalert.org/news-releases/1064174 "high-precision wiring patterning liquid metal colloidal particles of eutectic gallium-indium alloy... wiring patterns onto surfaces using particles moved by bubble flow... fs laser beam heat EGaIn particles, generating microbubbles guiding them into exact lines on flexible-glass surface... improve conductivity replacing resistive gallium oxide layer with conductive silver via galvanic replacement, enabling thin, conductive, flexible.... bendable, stretchable, highly conductive circuits, wearable sensors, medical implants"

New, more effective memristors using special metallic materials make computers smarter

https://www.electronicsforu.com/news/memristor-design-makes-computers-smarter   "overcomes small on/ off ratios that reduce accurate weight representation, increase noise, decrease prediction accuracy... analog switching, high on/ off ratios, using 2D van der Waals metallic cathodes (graphene or platinum ditelluride), silver top anode, indium phosphorus sulfide switch... high diffusion barrier enabling analog switching, up to 10^8 on/ off ratios, supports >8-bit conductance states, attojoule-level power, image recognition accuracies up to 91%... more storage/ neuromorphic computation power"

Capacitorless solid-state power filter for single-phase DC-AC converters

https://ieeexplore.ieee.org/document/10640369 "converters rely on passive filtering due to high-frequency characteristics, but susceptible to wear-out/ failure... generate sinusoidal ac voltage without relying on capacitors... filter composed of planar transformer and H-bridge converter operating at high frequency, injecting voltage harmonics attaining sinusoidal output voltage... total output voltage harmonic distortion below IEEE 519 standard... topology reduces the passive components used for filtering"

KIMM's large-area fabrication of 4-inch wafer-scale TMDc and graphene heterostructure via PECVD

https://www.eurekalert.org/news-releases/1063878 "driving AI semiconductor performance... PECVD: plasma-enhanced chemical vapor deposition... TMDc: 2D Transition Metal Dichalcogenides with silicon-like performance, low power operation, fast switching...   high potential for mass production, likely contributing to advancements in AI semiconductor performance and commercialization... low-power, high-performance semiconductors, neuromorphic systems (machine/ deep learning, MoS₂, WS₂, MoSe₂ -based cognitive computing" Related:  Korean researchers report development of magnetic 3D printing process for motor manufacturing https://www.rdworldonline.com/korean-researchers-report-development-of-magnetic-3d-printing-process-for-motor-manufacturing/

Nanocrystalline layers with high interfacial strength increase performance, resilience of recyclable bio-based thermoplastic blends

https://www.eurekalert.org/news-releases/1063611 "thermoplastic base material polylactic acid produced from sugar cane or corn... copolymers formed during production facilitates mixing forming stable (stereo)-crystalline layers at interfaces... 50% blends polylactic acid/ polyvinylidene fluoride... 200–300 nm thick stereocomplex crystals layer at interfaces, increasing stability/ crystallisation temperature... nucleation at interface accelerates crystallisation... elongation at break increases up to 250 %... high-performance polymer blends"

Semiconductor indium selenide phase-change memory using electric current is a billion-fold more energy efficient

https://interestingengineering.com/science/data-storage-phase-change-memory-advances "instead of energy intensive melt-quench process… amorphous phase: atoms randomly arranged… ferroelectric property allows it to polarize spontaneously, piezoelectric nature generates electric current as response to mechanical stress, rapidly deforming it… electric current causes tiny sections to begin amortizing, making unstable, deforming… as distorted regions collide, sound waves generate, resulting in more deformation/ amorphous areas, enabling low-power data storage”

Temporally super-resolved multiplexed fringe projection profilometry structured light high-speed kHz imaging using low-speed cameras

https://www.eurekalert.org/news-releases/1063844 "non-contact, full-field measurements... deep learning, color fringes, geometric constraints, frequency domain multiplexing in single-shot... digital micromirror high temporal resolution/ frequency-domain multiplexing breaks sensor frame rate limitations... order magnitude-higher 3D frame rate with low-speed cameras... multiplexed image high-fidelity decoupling into original... 9X faster frame rate... low cost/ power, reduced bandwidth/memory requirements...  industrial inspection, biomedicine, solid mechanics"

Scalable, one-step flame aerosol synthesis excels at creating nanoparticles

https://www.buffalo.edu/provost/messages.host.html/content/shared/university/news/news-center-releases/2024/11/flame-aerosol-nanoparticles-studies.detail.html "faster, cost effective, easy-to-use... control flame, nanoparticle size/ distribution, cost... MOFs with lower porosity but small grain size, short-range ordered structures, high thermal stability, 1-step creation... circumvents thermodynamic barriers allowing mixing 2 metal elements into single MOF... create high-entropy ceramic nanoparticles incorporating up to 22 elements... MOFs, inks, air filters, catalysis, sensing, energy storage"

High-quality nanomechanical triangline resonators with built-in piezoelectricity could further quantum sensing

https://www.eurekalert.org/news-releases/1063641 "μm/ nm -scale aluminum nitride mechanical resonators oscillate at much higher frequencies for long times without losing energy., sensing minuscule forces/ mass changes... tensile-stressed (1GPa) 295 nm silicon nitride with functional material on top, maintaining dissipation dilution boost mechanical factor >10 million... direct readout in sensing applications, also interfacing mechanical/ electric degrees of freedom for quantum information transduction... maintains single quantum coherent oscillation at room temperature"

Three promising new superconductor cubic structures might operate at normal temperatures and pressures

https://www.eurekalert.org/news-releases/1063729 "rare earth trihydride lutetium in combination with hydrogen/ nitrogen... but now, replacing lutetium with yttrium/ scandium even better: -100°F, future: ambient pressure/ room temperatures... power grid, motors, magnetically levitated trains"

Heat flow control in thin copper films leads to powerful, cooler, efficient chips, resulting in faster, smaller and more efficient devices

https://www.eurekalert.org/news-releases/1063701   "as devices shrink, managing heat becomes paramount... Matthiessen’s rule, validated in ultra-thin copper films, predict how different scattering processes influence electron flow... hermoreflectance measurement of copper's thermal conductivity cross-checked with electrical resistivity... less energy lost to heat...  CMOS technology... high-end gaming consoles, AI-driven data centers"

Nanoscale transistors enable fast, powerful electronics that are also more energy-efficient

https://www.eurekalert.org/news-releases/1063525   "overcoming Boltzmann tyranny: silicon semiconductor limits prevent transistors from operating below certain voltage, by leveraging quantum mechanics... 3D transistor using ultrathin semiconductors with vertical nanowires operating efficiently at low voltages... potential to replace silicon... semiconductors: gallium antimonide, indium arsenide, leveraging quantum tunneling transistors encouraging electrons to push through (not over) energy barrier... performs 20X better than similar tunneling transistors"

Fabrication of subwavelength beyond the diffraction limit: Laser direct writing on Au nano-film

https://www.eurekalert.org/news-releases/1063615 "nanosecond-laser-irradiated cantilevered scanning near-field optical atomic force microscopy probe tip...  writing  nanostructures on Au nanofilm without  mask or vacuum... 83.6 nm minimum linewidth,  167.8 ± 6.6 nm repeatable linewidth on Au nano-film... elliptical heat distribution generated different linewidths when tip scanned vertically/ horizontally... Au nanofilm melting instead of oxidation... high-temperature underneath tip, providing nano energy source for high-resolution... nanolithography, nanowelding"

Researchers restore the performance of quantum dot perovskite solar cells as if flattening crumpled paper

https://www.sciencedaily.com/releases/2024/10/241003221524.htm "ligands attached to quantum dot surface must be replaced to utilize in solar cells, but crumples quantum dot surface, solved using short amphiphilic ligands securely holding quantum dots from both sides... efficiency increased to 15.3%, stability increased (maintaining 83% of performance for 15 days), lifetime inceased... easy to mass-produce" Related: Russia just broke all the world’s solar panels: Perovskite is the culprit https://www.riazor.org/news/russia-worlds-solar-panels-culprit/1334/ Enhanced efficiency of large-area perovskite solar cells helps accelerate commercialization efforts https://techxplore.com/news/2024-11-efficiency-large-area-perovskite-solar.html

Type III superconducting islands separated by non-superconducting regions lead to unique magnetic and electrical properties

https://thequantuminsider.com/2024/10/10/researchers-demonstrate-new-type-of-superconductivity/ "explained by topological gauge theory... under high magnetic fields superconductivity gets destroyed by proliferation of vortices but not by breaking superconducting Cooper pairs... dissipationless behavior upon the applied currents and electromagnetic fields... enhances quantum computing/ electronic device performance by minimizing energy losses... electric Coulomb field creation by moving novel vortices... normal core absence in novel kind of vortices enables movement without energy dissipation" Related: Domain wall fluctuations in 2D materials reveal a new mechanism of superconductivity https://phys.org/news/2025-01-domain-wall-fluctuations-2d-materials.html

Significant savings of time, money, and weight using 3D printed aluminum parts for rocket engine nozzles and more

https://spinoff.nasa.gov/3D_Printed_Engines_Propel_Next_Industrial_Revolution "Reactive Additive Manufacturing: infusing aluminum alloys with particles of other materials to make amenable to additive manufacturing... aluminum alloy powder for large-scale printing... strong without requiring heat treatment, wear resistance, thermal conductivity, temperature tolerance, scratch-resistant... 3D printing allows for designs that are otherwise impossible... rocket engines, large satellite components, cars, lighting fixtures, computer chips" Related: 3D printing finds a new app https://www.youtube.com/watch?v=zmJdJIlPOr4&feature=youtu.be

LTA-CAES – A low-temperature approach to adiabatic compressed air energy storage

https://www.researchgate.net/publication/261716759_LTA-CAES_-_A_low-temperature_approach_to_Adiabatic_Compressed_Air_Energy_Storage "most thermal energy storage requires high temperatures/ high pressures... multistage radial compressors and expanders with single stages rotating with different speeds allowing for intermediate air flowcooling and reheating... roundtrip efficiencies 52–60%, slightly lower compared to those envisioned for high temperature A-CAES. However, it can be shown in an economic analysis that its fast start-up characteristics and wide-ranging part load ability overcompensates the lower cycle efficiencies with regard to plant profitability" Related: VHD Tech Modelling Highlights Immense Clean Energy Potential https://www.marketindex.com.au/asx/gcm/announcements/vhd-tech-modelling-highlights-immense-clean-energy-potential-2A1566446 Why thermal batteries could replace lithium-ion batteries for energy storage https://www.cnbc.com/2024/12/06/why-thermal-batteri...

Highly passivated p-type TOPCon bottom cells show significant potential for perovskite/silicon tandem solar cells

https://www.perovskite-info.com/highly-passivated-topcon-bottom-cells-show-significant-potential "high open-circuit voltages, excellent efficiencies... on industrial textured wafers via industry-compatible ambient-pressure thermal oxidation in situ plasma-enhanced chemical vapor deposition... optimizing oxidation, boron in-diffusion, aluminum oxide hydrogenation, for passivation quality... 715 mV implied VOC(iVOC)... integrating bottom cells with perovskite top cells achieves  1,9 VOC, 28.2% PCE... tandem devices... future: commercialization" Related: GCL SI Unveils Breakthrough in Mass-Produced TOPCon Modules, Showcasing Unparalleled Innovation and Efficiency https://www.prnewswire.co.uk/news-releases/gcl-si-unveils-breakthrough-in-mass-produced-topcon-modules-showcasing-unparalleled-innovation-and-efficiency-302316014.htm Perovskite Solar Cells With 66% Longer Lifespan https://www.electronicsforu.com/news/perovskite-solar-cells-with-66-longer-lifespan Sekisui Chemical is se...

Dynamic, light, membrane and ultrasound-based interface 3D printing shows promise for volumetric bioprinting

https://www.voxelmatters.com/new-dynamic-interface-printing-shows-promise-for-volumetric-bioprinting/ "resolution, speed, material compatibility, not requiring intricate support structures/ specialized chemical environments... constrained air-liquid interface/ modulated light... hollow print head, open at bottom/ capped with transparent glass window enabling printing interface control... print head submerged in liquid polymer traps air bubble forming air-liquid meniscus at head’s end where structures formed by visible light projected through glass... acoustic modulation... regenerative medicine, tissue engineering, high-speed prototyping"

Stronger, more durable, eco-friendlier, 3D-printed, graphene-enhanced limestone/ calcined clay cement

https://environmentenergyleader.com/stories/sustainable-3d-printed-concrete-breakthrough-from-uva-engineers,55803   "graphene boosts concrete strength 23%, limestone/ calcined clay cement reduces carbon emissions 31%...  partnership with VTRC allowed the UVA team to explore the material’s potential in transportation infrastructure, offering insight into real-world applications... the VTRC collaboration was essential in uncovering the fundamental properties of this new concrete" Related: Impact printing is a cement-free alternative to 3D-printed structures https://arstechnica.com/science/2024/10/impact-printing-is-a-cement-free-alternative-to-3d-printed-structures Revolutionary compression-cast concrete: a greener, stronger future https://www.eurekalert.org/news-releases/106802 NTU Singapore scientists develop 3D concrete printing method that captures carbon dioxide https://www.eurekalert.org/news-releases/1068413 Novel approach slashes CO2 emissions by approximately 40% c...

Naturally-conductive chromium selenide cathode in this potassium-ion battery achieves high performance

https://www.gla.ac.uk/news/headline_1122851_en.html "high performance cathode despite <10% carbon, rapid charging, cheaper/ easier manufacture... 125 mAh per gram, close to 127 maximum theoretical capacity... layered nature of the material allows potassium ions to travel more easily between the layers during charge and discharge, allows the battery to maintain 85% of its capacity in lab conditions even when charged and discharged at high speed...stationary storage... future: identify an electrolyte delivering improved performance in future refinements of the battery’s design" Related: Breakthrough material could help replace lithium cells, lead to potassium batteries https://ecti.am/en/articles/51

Sinopoly's 60Ah Plastic Prismatic LFP Battery raises the bar for performance, safety, and efficiency

https://www.prnewswire.com/news-releases/sinopoly-next-generation-60ah-plastic-prismatic-lfp-battery-2024-a-breakthrough-in-battery-technology-302293992.html "overcomes safety, temperature control challenges... water-based LFP positive electrode supports maximum instantaneous discharge rate up to 10C, continuous rate 5C, supports 3C fast charging without compromising safety/ lifespan... fine-tuned battery separator's thickness/ porosity further supports quick energy flow/ heat management... continuous discharge at 2C (3C), even at -40°C, maintaining 90% capacity... efficient heat dissipation... eco-friendly water-based production process"