Today's Tech News: Notable or Not?

https://www.eurekalert.org/news-releases/1140970 "polarization superjunction gallium nitride microchip transistors built on low-cost silicon base withstand nearly 4 kV on tiny scale, 5X conventional limit.... leverages polarization, balancing negative/ positive charges internally, preventing localized electrical field building up... avoids temperature-sensitive chemical doping/ maintains low electrical resistance, reducing heat production/ energy loss... AI data centers, solar energy systems, EVs, consumer devices, grid infrastructure"

https://interestingengineering.com/energy/hydride-ion-battery-prototype-93-efficiency "utilizes magnesium metal/ hydrogen gas as its 2 electrodes to bypass extreme conditions required by conventional containment... charging securely locks hydrogen inside solid metal as magnesium hydride/ discharging reverses process releasing gas while generating electric power, operates from -20 to 90°C maintaining >70% initial capacity after 60 cycles, 93.9% hydrogen energy utilization efficiency, outperforming traditional thermal hydrogen storage methods by a full third"

https://techxplore.com/news/2026-01-cleaner-industrial-revolution-electrifying-boilers.html "standardized, mass-produced, drop-in replacement... compressor/ heat pump cycle uses 50% less electricity than electric resistive boilers... uses ambient air, but waste heat source compatible... delivers up to 150°C steam, currently focusing on facilities <10MW thermal energy: fragmented mid-sized manufacturing market where steam is the primary working fluid for diverse industrial processes... scaling to hundreds of units annually by 2028" Related: Waste heat becomes cooling energy: Research team develops next-generation heat pump system https://techxplore.com/news/2026-08-cooling-energy-team-generation.html

https://phys.org/news/2025-08-quantum-device-amperes-volts-ohms.html "integrates 2 quantum systems, quantum anomalous Hall resistor/ programmable Josephson voltage standard, into 1 cryostat providing low-temperature for both to operate effectively... material performs quantum functions without magnetic field... measurements using quantum mechanics principles far more precise than standard measurements... measured voltages from 0.24 to 6.5 mV, amperes, ohms with very little error... spur innovation in topological material systems, cryostat design/ engineering"

https://www.eurekalert.org/news-releases/1090331 "symmetrical structure of silicon molecules fine-tuned creating/ suppressing destructive interference, turning conductivity on/ off.. precise control over how atoms are arranged/ way electrons move through silicon structures... molecular symmetry in silicon leads to interference effects that control how electrons move through it, and we can switch that interference on or off by controlling how electrodes align with our molecule... molecular-scale switches, thermoelectric devices, quantum computing components"

https://www.eurekalert.org/news-releases/1080678 "enhances voltage gradient without compromising other performances... low temperature densification hybrid cold sintering/ spark plasma sintering and post-annealing process reduces energy consumption, enables fine/ homogeneous microstructure, prevent Bi-rich phase volatilization at grain boundaries, ultrahigh ~1832.71 V/mm voltage gradient, high ~106.69 nonlinear coefficient, low <0.2 μA/cm² leakage current density... high-resistance grain boundaries producing increased Schottky barrier height, better performance"

  https://techxplore.com/news/2025-04-membrane-mimics-protein-channels-efficient.html "inspired by ClC-ec1 antiporter in Escherichia coli, facilitating chloride (Cl-) and proton movement... COFs integrated with aramid nanofiber membrane composite forms hydrogen-bonding network featuring amide groups selectively binding to Cl- ions, lowering energy barrier for proton conduction... in acidic environments, adding 0.1% Cl- ions (relative to protons) increases membrane's proton permeation rate 3X, reaching 9.8 mol m-2 h-1... Cl- binding stretches ANF chains, improves hydrogen-bond networks"

https://phys.org/news/2025-03-advancing-electricity-energy-conversion-method.html "extends lifespan of plasmonic hot holes... overcomes thermal dissipation within ps making practical applications challenging... sustaining/ amplifying hot holes flow... gold nano-mesh structure on p-type gallium nitride semiconductor substrate, exhibiting strong visible light absorption facilitating hot hole extraction at surface, amplifying flow 2X... modifying substrate's growth direction enabling hot hole activation extension beyond hot spots... solar cells, photocatalysts, hydrogen production, optical sensors" Related: Tricking gold into dissociating oxygen makes it an effective catalyst for certain applications http://timesofindia.indiatimes.com/articleshow/132345906.cms

https://phys.org/news/2025-03-high-energy-efficient-electro-optic.html "nanosecond-scale optical switching: low crosstalk <-45 dB, broad 3-dB bandwidth >100 nm, <3 ns latency... scalable, chip-friendly fabrication of 2×2 cascaded electro-optic switch by micro-transfer printing pre-etched thin-film lithium niobate (superior modulation capabilities) onto silicon nitride (exceptional passive properties)... 1.3 dB insertion loss at 1550-nm wavelength... future: large-area coupon-based massive micro-transfer printing to integrate multiple elements in a single process" Related: Stable high-energy pulses achieved with low-stress electro-optic switch https://phys.org/news/2026-02-stable-high-energy-pulses-stress.html

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

https://www.eurekalert.org/news-releases/1072538 "triboelectric nanogenerators and mechanoluminescence... overcomes issues of power output stability, insufficient luminous duration... added light-emitting zinc sulfide-copper particles to rubber-like material (polydimethylsiloxane developing single electrode obtaining high efficiency.based on silver nanowires... stable performance even after repeatedly pressed >5,000X, stably generates voltages up to 60V, 395 nA... stable underwater and in dark... rescue signaling/ wearable safety devices, sports activity monitoring" Related: CO-TENG origami-inspired self-powering sensor for smart wearables https://www.eurekalert.org/news-releases/1086887 Innovative adhesive film harvests electricity from peeling, enabling battery-free sensing and safety https://techxplore.com/news/2025-08-adhesive-harvests-electricity-enabling-battery.html Hanyang University researchers develop of novel high-resolution mechanoluminescent platform technolog...

https://techxplore.com/news/2024-08-electric-reactor-industrial-emissions.html "magnetic induction heating/ heat-transfer... high frequency currents alternating very quickly inductively heating poorly conducting ceramic 3D lattice in reactor's core... lattice voids artificially lowering electrical conductivity even further, filled with catalysts, enabling much smaller reactor... heating large surface area right next to catalyst... >85% efficient... increasing size and/ or heat makes more efficient... converting carbon to valuable chemicals, cement manufacture"

https://www.nanowerk.com/spotlight/spotid=65068.php "1.2 M calcium chloride electrolyte evaporation-induced electrical power densities up to 10 W/m2, rivaling wind power... electrokinetic effect, sustainable... delignified balsa and cellulosic balsa increased surface area 10 and 21X... increased hydrophilicity, surface charge density, number vertically aligned negatively charged cellulose nanofibrils serving as ion nanofluidic channels... 2 mm thick DBWG generated open-circuit 0.77 V, short-circuit current 148 µA, biodegradable, environmentally friendly... self-powered sensors"

https://techxplore.com/news/2024-04-proof-concept-nanogenerator-sustainable-power.html "industrial  polyamine gel absorbs CO 2,,  skeleton 2D boron nitrate generates positive (large size) and negative (smaller) ions  moving at different speeds, generating diffusion current amplified into electricity to power light bulbs or any electronic device...  ion transportation more efficient than electron transportation...  embedded in  90% water  hydrogel cut into 4-cm disks and small rectangles used in small box pumped full of CO 2 "

https://techxplore.com/news/2024-04-scientists-high-boost-efficiency-dc.html "10X higher frequency switching with soft switching (like  0 volt resistor) reducing electromagnetic noise and power losses, dissipating heat, reducing number of components, keeping cost and complexity low... resonant tank circuits storing energy during switching period... planar transformer,:flat components printed onto circuit board... MHz drive's high energy efficiency up to 91.3%... electric power, renewable energy, transportation, information, telecommunications, medical... future: kW-class capacity" Related: A flexible and efficient DC power converter for sustainable-energy microgrids https://techxplore.com/news/2024-04-flexible-efficient-dc-power-sustainable.html Solid-state transformers to upgrade power grid https://oilprice.com/Energy/Energy-General/The-Tech-Upgrade-That-Might-Finally-Fix-the-Worlds-Energy-Grids.html Transformers for high-voltage DC power grid https://www.eurekalert.org/...

https://phys.org/news/2024-02-harnessing-powered-nanoscale-electrical-currents.html "patterning and optical control over nanoscale currents on vectorial metasurfaces... asymmetric, gold nano-antennas. capturing and focusing light forming optical hot spots exciting electrons on graphene layer... teardrop shape's inversion symmetry defines directionality hot electrons (charge current) along structure, controllable and tunable exciting different hot spot combinations: current amplitude, location, direction, > ps response speed... microelectronics, night vision, THz communication, spectroscopy, nano-scale magnets"

https://phys.org/news/2024-01-team-robust-propagation.html "energy gain and loss systematically distributed cancelling each other out, ensured by parity-time (PT) symmetry... tests on laser photonic chips mimic behavior of natural and synthetic materials arranged in periodic lattice structures... laser-inscribed photonic waveguide induced topological insulators convey lossless stream of electrons or light (retaining average amplitude) along their boundary, suppressing impact of topology's varying defects and scattering... robust electric, light and sound wave circuits"

https://www.jpost.com/business-and-innovation/article-784634 "Brenmiller Energy's bGen converts electricity into heat to power sustainable industrial processes at price competitive with natural gas... 7-year, $3.55 million project utilizes crushed rocks to store energy in the form of heat and dispatches low-cost steam, hot water, or hot air on demand... could become clean energy storage standard for industrial and municipal facilities" Related: Brenmiller Energy to Launch Revolutionary bGen™ Thermal Energy Storage System to Electrify Thermal Oil: 8 Projects Worth Approximately $170 Million Already in Commercial Pipeline https://greenstocknews.com/news/nasdaq/bnrg/brenmiller-energy-to-launch-revolutionary-bgen-thermal-energy-storage-system-to-electrify-thermal-oil-8-projects-worth-approximately-170-million-already-in-commercial-pipeline

https://phys.org/news/2023-12-electronic-soil-crop-growth.html "eSoil hydroponic electrically conductive cultivation substrate... barley seedlings grew up to 50% more in 15 days when roots stimulated electrically... seedlings process nitrogen more effectively, but it's not clear yet how the electrical stimulation impacts this process,... substrate made of cellulose, the most abundant biopolymer, mixed with a conductive polymer called PEDOT... very low energy consumption and no high voltage danger"

https://techxplore.com/news/2023-02-efficient-scalable-moisture-electric-generators-ionic.html "efficient ionic hydrogel moisture-electric generator (IHMEG)... versatile, flexible, lightweight all-weather... chemical energy from atmospheric moisture to generate electricity directly without pollutants... 10% to 85% relative humidity and -24 to 60°C... unit 0.25 cm2 generate DC with constant open-circuit voltage ≈0.8V for >1,000 hours, high short-current density 0.24 mA cm−2, and power density of up to 35 µW cm−2... calculators, watchbands, ink screens, LEDs and electroplate metal nickel" Related: Researchers obtain anion ionic water-soluble two-photon initiator for 3D hydrogel construction https://phys.org/news/2023-03-anion-ionic-water-soluble-two-photon-3d.html New study shows how carbonated water can be used to tune properties of hydrogels for various uses https://phys.org/news/2023-04-carbonated-tune-properties-hydrogels.html Even as temperatures rise, this hydrogel mat...