Today's Tech News: Notable or Not?

https://techxplore.com/news/2026-03-world-gigabit-laser-link-aircraft.html "lighter/ more power-efficient UltraAir laser terminal mounted on Dassault Falcon 20 research aircraft locked onto laser beam from Alphasat satellite, located 22,400 mile above Earth... 2.6 Gb transmitted every minute, fast enough to download HD movie in minutes while in flight... maintained laser connection across 36,000 km despite aircraft vibrations, high-speed movement, cloud/ air density shifts... laser beams highly directional/ difficult to eavesdrop or jam... military/ commercial aviation, broadband in the sky"

https://techxplore.com/news/2026-02-overlooked-electrostatic-motor-future.html "apply voltage to metal tracks attached to printed circuit board creating interaction between rotor/ stator generating motion (instead of copper coils/ magnets creating motion through magnetic fields)... uses >90% less copper, up to 80% lighter), lower cost... significantly lower current so generates almost no heat/ requires no active cooling, direct drive capable/ high torque at low speeds... dielectric fluids boost field strength)... EVs (extend range up to 25%), solar drones, electric aviation, large-scale industrial pumps"

https://www.eurekalert.org/news-releases/1114059 "(1) sensor flush against instead of protruding from aircraft detects moment ice begins to form monitoring changes in signal frequency, (2) sensor with 3 IR lasers analyzes clouds/ precipitation, differentiating harmless ice particles/ dangerous supercooled water droplets which freeze on contact, also measuring droplet size identifying most hazardous conditions... also detects black ice on roads... ice: on roads causes 20% weather-related car crashes/ build-up on planes causes 10% of fatal air carrier crashes"

https://techxplore.com/news/2025-12-optical-fiber-bundles-solution-high.html "360° laser coverage from aircraft requires multiple bulky, articulated terminals (gimbals) on fuselage, overcome using small external light collectors routing signals via fiber bundles to single, centralized laser communication terminal housed safely inside aircraft... must be manufactured using UV optimized materials (so far only tested on bundles designed for visible light having loss/ distortion link penalties when used with UV lasers)... future: multiplex multiple signals from different collectors into 1 terminal"

https://oilprice.com/Company-News/StellarJet-Unveils-Hydrogen-Aviation-Breakthrough.html "two transformative technologies: (1) solid-metal-hydride: 23% hydrogen by weight/ 6.6 kWh/kg energy density, (2) Electric Ducted Fan, 132 kW/ 1,700 N of thrust at 14.7 kg, 375 mm duct diameter optimized for distributed electric thrust design... operating at 20-350 bar/ -60°C to +80°C, <30 minute refueling time, compact, certifiable storage addresses liquid hydrogen’s cost challenges/ safety (eliminates boil-off risks)... debut sometime after summer 2025, after scaling production/ building hydrogen refueling infrastructure" Related: Clearing the Air: ZeroAvia's 600 kW Electric Propulsion System Is Powered by Hydrogen, Despite Misleading Headlines https://evworld.com/newsAI.php?id=130 Hydrogen storage, cooling, propulsion distribution from a single reservoir improves aircraft fuel utilization https://institut-gouvernance.org/news/united-states-has-managed-solve-triple-problem-that-w...

https://www.eurekalert.org/news-releases/1084128   "GA-DSPA method enables operation within radar’s frequency band, enhancing spectrum resource sharing/ utilization... mitigates interference, ensures optimal spectrum utilization/ power allocation... up to 22% improvement in radar detection probability... dynamic environmental perception/ innovative sorting... 2-stage genetic algorithm: optimize decision variable boundaries using prior knowledge/ dynamic environmental change adjustment... civilian/ military aviation... future: autonomous vehicles and IoT networks"

https://medium.com/@hybrid.minds/worlds-first-electric-jet-engine-tested-by-sirinor-in-india-a-breakthrough-for-clean-aviation-750e7faf8502 "eliminates combustion entirely, drastically reducing emissions/ noise levels... high-efficiency electric motor drives multi-stage lightweight composite fan blades, for thrust efficiency/ thermal resilience... modular architecture allows motor, power electronics, thermal management (maintains stable operating temperatures dissipating generated heat), to be independently upgraded, replaced, or customized, enabling faster integration/ easier maintenance... efficient energy conversion... short- to mid-range flights, drones, defense" Related: Next-Generation Engine Uses Electricity Alone to Generate Thrust https://www.sustainability-times.com/research/the-end-of-jet-fuel-next-generation-engine-uses-electricity-alone-to-generate-thrust-in-historic-aerospace-breakthrough/ 845 HP in just 90 pounds ― Finland unveils revolutionary engine and destr...

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)" Related: More efficient aircraft engines: Scientists reveal optimization potential https://techxplore.com/news/2025-11-efficient-aircraft-scientists-reveal-optimization.html Discoveries in testing solid-fuel ramjets advance research https://techxplore.com/news/2026-01-discoveries-solid-fuel-ramjets-advance.html

https://phys.org/news/2024-04-nano-enable-lighter-tougher-composite.html "high-performance fibers embedded in polymer sheets stacked and pressed into 1 extremely lightweight, durable multilayer... prevent cracks from spreading between composite layers by up to 60% by depositing chemically grown (vapor deposition) carbon densely packed nanotubes between composite layers... composite 3 mm thick comprising 60 layers, each made from stiff, horizontal fibers embedded in polymer sheet... lighter, stronger airplanes" Related: Nanofibers yield stronger, tougher carbon fiber composites https://www.eurekalert.org/news-releases/1087833 Deep learning helps engineer stronger continuous fiber composites https://www.eurekalert.org/news-releases/1127495

https://techxplore.com/news/2023-11-detonation-based-device-propulsion-applications.html "accelerate oxidation of fuel-air... linear array of injectors to sustain fast moving shock waves in a rectangular domain. It is the first time a linear combustor has been studied computationally at this level of detail, which has revealed the causal mechanism for detonation stabilization... efficient on-demand thrust for small aircrafts or drones or can be used to attitude control of flight systems... ... shock wave speed 1.5 km/s generates high power per unit volume of combustor...  power generation, hypersonic flight" Related: Taking the shock out of predicting shock wave behavior with precise computational modeling https://phys.org/news/2025-10-behavior-precise.html

https://www.forbes.com/sites/jeremybogaisky/2023/08/22/new-york-to-paris-in-90-minutes-can-this-startup-make-it-happen/?sh=5fe075f72ec6 "hypersonic drones (Quarterhorse and Darkhorse) and 20 passenger Mach 5 plane (Halcyon) 4,000 mile range costing >$10,000... 2024 first flight... air-breathing aircraft, which use the oxygen around them for fuel combustion instead of carrying it onboard as rockets do, leaving less room for payload like passengers" Related: U.S. Naval research laboratory developing incredible morphing hypersonic engine https://thedebrief.org/u-s-naval-research-laboratory-developing-incredible-morphing-hypersonic-engine/ Chemists create new high-energy compound to fuel space flight https://phys.org/news/2025-08-chemists-high-energy-compound-fuel.html

https://phys.org/news/2023-03-world-energy-saving-paintinspired-butterflies.html "environmentally-friendly, non-fading, non-toxic, ultralight (150 nm thin), plasmonic, structural plasmonic paint uses aluminum and aluminum oxide... structural color like that of birds and butterflies, combined with commercial binder... less heat  absorbed by paint resulting in underneath surface staying 25 to 30 F cooler" Related: Proper electronic structure of near-infrared absorbing functional dyes discovered https://phys.org/news/2023-03-proper-electronic-near-infrared-absorbing-functional.html Engineering designer materials with bird-inspired structural colors using nanoparticle-based supraballs https://phys.org/news/2023-05-materials-bird-inspired-nanoparticle-based-supraballs.html Chameleon-inspired coating could cool and warm buildings through the seasons https://phys.org/news/2023-09-chameleon-inspired-coating-cool-seasons.html

https://www.chalmers.se/en/current/news/m2-propeller-advance-paves-way-for-quiet-efficient-electric-aviation/ "adjusting pitch angle, chord length and number of blades to optimise propeller design and even out trade-off effect between efficiency and noise... six blades... noise reduction up to 5-8 dBA with only 3.5 % thrust" Related: Wingless Transporter Breaks 'Sound Barrier' w/ 300-mi. Range Using NASA-Proven Thrusters https://www.prnewswire.com/news-releases/wingless-transporter-breaks-sound-barrier-w-300-mi-range-using-nasa-proven-thrusters-301900009.html Sustainable Skies: NASA and Boeing Unveil the X-66A Aircraft https://scitechdaily.com/sustainable-skies-nasa-and-boeing-unveil-the-x-66a-aircraft/ Noise no more: Transforming sound barriers with material optimization https://techxplore.com/news/2024-07-noise-barriers-material-optimization.html New composite material uses ultra-thin rubber-like layers to combine stiffness with high damping capacity https://techxpl...

https://www.iit.edu/news/illinois-tech-professor-demonstrates-novel-control-method-aircraft-no-tail "avoid radar detection, more fuel-efficient... smooth and sleek... jets of air blown onto different surfaces of aircraft body, corresponding to which direction aircraft moving... less drag... allow maneuvers including very fast turns and ability to fly at angles that would cause conventional controls to become ineffective... patent-pending Coanda valve" Related: Otto Celera 800, Otto Celera 500L - The World's Most Efficient Aircraft Innovation https://aviapages.com/buzz/thread/otto-celera-800-otto-celera-500l-the-worlds-most-efficient-aircraft-innovation-1707387468.638495/ Fast, accurate drag predictions could help improve aircraft design https://www.eurekalert.org/news-releases/1104539

https://phys.org/news/2022-12-nanostructure-de-ices-aircraft-wings-turbine.html "carbon nanotubes embedded into structure without need to cure in autoclave... generates heat under electrical current... sensor for structural health monitoring or heater for anti-icing or de-icing... unchanged thickness, no added porosity... mechanical properties improved, not compromised... without wasting energy on heating entire volume conserve 99% of power" Related: Optical coating approach prevents fogging and unwanted reflections https://phys.org/news/2023-01-optical-coating-approach-fogging-unwanted.html Penguin feathers help inspire new de-icing techniques https://techxplore.com/news/2023-01-penguin-feathers-de-icing-techniques.html Special microscope shows different anti-icing strategies of plant leaves https://phys.org/news/2023-01-special-microscope-anti-icing-strategies.html Conducting supercooled droplet experiments to design and engineer superhydrophobic ice-repellent surfaces ...

https://interestingengineering.com/innovation/china-worlds-first-kerosene-powered-engine "deliver passengers anywhere on the globe in only a few hours... succession of explosions are set off by the detonation wave. These explosions occur almost rapidly and release a lot more energy than traditional combustion does with the same amount of fuel, especially at speeds beyond Mach 8... adding a thumbnail-sized bump to the engine's air inlet surface facilitates kerosene ignition while maintaining a compact chamber... lowering construction and operating costs is still a significant problem" Related: Air-breathing ion engines could continuously boost spacecraft anywhere there's an atmosphere https://phys.org/news/2022-11-air-breathing-ion-boost-spacecraft-atmosphere.html Unlikely union of 3D-printed bronze and steel holds promise for jet engines https://techxplore.com/news/2023-01-union-3d-printed-bronze-steel-jet.html Saving jet fuel with flexible sensor strips https://techx...

https://www.independent.co.uk/tech/nasa-battery-electric-planes-b2199312.html "increase the battery’s discharge rate by a factor of 10 using innovative new materials that have yet to be used in batteries... eliminate 30 to 40 per cent of the battery’s weight, it also allows us to double or even triple the energy it can store, far exceeding the capabilities of lithium-ion batteries that are considered to be state of the art... experimental X-57 aircraft, nicknamed Maxwell, which replaces fuel-powered propellers with an all-electric propulsion system" Related: NASA CEO: "This New Battery Will Destroy The Entire EV Industry!" https://www.youtube.com/watch?v=sqHQ2-W8dD0 EnerVenue NASA grid-scale nickel-hydrogen battery: 30,000 charge cycles, 90% round-trip efficiency, 30 year lifetime and 3 kWh energy capacity https://spectrum.ieee.org/grid-scale-battery-storage-nickel-hydrogen NASA's Breakthrough In Battery Tech Paves Way For Electric Aviation https://oilprice.com/...

https://evtol.com/features/whisper-aero-shares-details-ultra-quiet-electric-propulsor-technology/ "drone design, as well as a nine-passenger commercial aircraft that can utilize existing aviation infrastructure... next-generation propulsors, designed to be ultra-quiet and efficient... no aircraft can be as fast, efficient, or achieve the total operating costs... very low-speed drone that can be the quietest thing that has ever flown, as well as a very high-speed nine passenger commercial aircraft, to show breadth of opportunities" Related: Jetoptera targets Mach 0.8 with bladeless-propulsion VTOL aircraft https://newatlas.com/aircraft/jetoptera-bladeless-hsvtol/  See also: Filling a Large Bag in One Breath  https://www.youtube.com/watch?v=BhWhTbins_A X-57: NASA's electric plane is preparing to fly—here's how it advances emissions-free aviation https://techxplore.com/news/2023-01-x-nasa-electric-plane-flyhere.html Autonomous eVTOL air taxi flown over Jerusalem by Israe...

https://uk.finance.yahoo.com/news/battery-breakthrough-achieves-energy-density-133548407.html "aim of significantly increasing the battery’s cycle life. Energy density has been the biggest obstacle towards the advancement of electric planes, with 500Wh/kg viewed as an important benchmark for achieving both long-haul and high-capacity flights... potential to hold up to five times more energy than lithium-ion batteries of the same size (3,460 Wh/kg), however previous experimental designs have consistently failed beyond the lab scale"

https://singularityhub.com/2022/01/03/h2-clipper-will-resurrect-hydrogen-airships-to-haul-green-fuel-across-the-planet/ "cruise at about 175 mph... It also has a cargo volume of 265,000 cubic feet—8 to 10 times more than most airfreighters—and can carry up to 340,000 pounds of payload 6,000 miles at its standard cruising speed. Between distances of 1,000 to 6,000 miles, the airship could carry a ton of cargo for as little as $0.177 to $0.247 per mile—a quarter of the cost of airfreight. And because it can take off and land vertically"