DARPA-developed autonomous helicopter technology transitions to U.S. Army

U.S. Army’s experimental H‑60Mx Black Hawk helicopter uses Sikorsky’s MATRIX autonomy suite, which forms the core of the DARPA ALIAS program.
Photo Credit: Sikorsky

Scientific Frontline: "At a Glance" Summary: DARPA Autonomous Helicopter Technology Transition

• Main Discovery: The Defense Advanced Research Projects Agency transferred its highly automated flight system to the United States Army by delivering an experimental, fly-by-wire H-60Mx Black Hawk equipped with the Sikorsky MATRIX autonomy suite for advanced operational testing.
• Methodology: Researchers developed and integrated a flexible automation architecture into existing aircraft under the Aircrew Labor In-Cockpit Automation System program, rigorously testing the system across a spectrum of operations from basic maneuvers to complex mission profiles and simulated system failure responses.
• Key Data: The integrated technology achieved the world’s first uninhabited flight of a Black Hawk helicopter in 2022, successfully executing an entire mission autonomously from pre-flight checks through to final landing.
• Significance: This technology transition provides a validated foundation for reducing the technical risks of automated military aviation, enhancing mission safety, and improving operational flexibility in complex and contested environments.
• Future Application: The United States Army Combat Capabilities Development Command will deploy the experimental helicopter as a flying laboratory to integrate mission-specific sensors and test new warfighting concepts reliant on reduced-crew and fully autonomous flight.
• Branch of Science: Aerospace Engineering, Robotics, and Autonomous Systems.

Stable, Fast, Mass-producible: Breakthrough in Light-based Data Connections

The compact modulator enables fast and energy-efficient data transmission and can be produced at low cost.
Photo Credit: Hugo Larocque, EPFL

Scientific Frontline: Extended "At a Glance" Summary: Electro-Optical Modulator Breakthrough

The Core Concept: Researchers have developed a novel, highly compact electro-optical modulator that converts electrical signals into light pulses for ultra-fast and efficient data transmission across fiber-optic networks.

Key Distinction/Mechanism: Unlike traditional modulators that rely on gold, this new architecture combines lithium tantalate with highly conductive copper electrodes. Using established semiconductor manufacturing techniques, the copper creates a virtually mirror-smooth surface that minimizes energy loss, stabilizes operation, and allows the optical microchips to connect seamlessly with standard electronic components.

Major Frameworks/Components:

• Lithium Tantalate Core: Utilized as the primary optical material due to its exceptional light-guiding properties.
• Copper Electrode Integration: Replaces traditional materials to improve signal conduction and enable integration using proven, mass-production microelectronics processes.
• High-Bandwidth Stability: Capable of sustaining data rates exceeding 400 gigabits per second without requiring the continuous, energy-draining recalibrations typical of older systems.

Atom-thin material could help solve chip manufacturing problem

Atomically thin material with extraordinary plasma resistance allows for high-aspect ratio nanofabrication
Image Credit: Scientific Frontline

Scientific Frontline: Extended "At a Glance" Summary: Chromium Oxychloride (CrOCl) 2D Hard Masks"

The Core Concept: Chromium oxychloride (CrOCl) is an atomically thin, two-dimensional metal oxyhalide material that functions as an ultra-durable hard mask for patterning nanoscale structures during computer chip manufacturing.

Key Distinction/Mechanism: Unlike conventional hard masks (such as silicon dioxide or titanium nitride) that rapidly degrade under harsh processing conditions, CrOCl features a loosely bound, layered crystal structure. When exposed to highly reactive plasma, it forms a chemically inert passivation layer that shields the underlying material. Furthermore, repeated plasma exposure smooths the CrOCl surface rather than roughening it, preventing uneven micro-masking and enabling sharper, highly vertical structural cuts.

Major Frameworks/Components:

• 2D Metal Oxyhalides: A class of atomic-scale, layer-by-layer crystalline materials that inherently possess extraordinary resistance to plasma degradation.
• Fluorine Plasma Etching: An industrial manufacturing process utilizing highly reactive gases to carve deep, narrow features into silicon, which the CrOCl material heavily resists.
• Surface Passivation: The chemical mechanism by which the top layer of the material reacts to bombardment by forming an inert protective shield.
• Substrate-Independent Transfer: The physical capability of the material to be patterned separately on a rigid substrate and subsequently transferred onto fragile or unconventional substrates.

Low-cost system turns smartphones into emergency radiation detectors

Setup of the portable scanning system: a smartphone positioned above an LED-lit chamber for consistent film image capture.
Image Credit: Bantan et al., 2026, Radiation Measurements
(CC BY-NC-ND 4.0)

Scientific Frontline: Extended "At a Glance" Summary

The Core Concept: A low-cost, portable system that combines a smartphone, a battery-powered light box, and radiochromic film to provide immediate, on-site measurement of radiation exposure during emergencies.

Key Distinction/Mechanism: Unlike traditional dosimetry which requires expensive laboratory equipment, this system uses Gafchromic EBT4 film that changes color instantly upon exposure to radiation. The film is placed in a portable LED-lit scanner, and a smartphone camera captures an image; the cyan color channel intensity is then analyzed to quantify the radiation dose.

Origin/History: Published in Radiation Measurements in January 2026 (online date suggested by access context) or late 2025 (DOI reference), developed by Hassna Bantan and Professor Hiroshi Yasuda at Hiroshima University's Research Institute for Radiation Biology and Medicine.

Major Frameworks/Components:

• Gafchromic EBT4 Film: A specialized film that visually indicates radiation exposure through color change.
• Portable Scanner: A foldable, battery-powered LED chamber used to backlight the film for consistent imaging.
• Smartphone Image Processing: Utilization of consumer smartphone cameras (e.g., Samsung, iPhone) to capture the film's color change, focusing on cyan channel data for analysis.

Branch of Science: Radiation Physics, Health Physics, and Emergency Medicine.

Future Application: Personal radiation preparedness for mass-casualty events, allowing individuals to perform voluntary on-site dose assessments in areas with damaged infrastructure or limited access to professional medical equipment.

Why It Matters: Provides a universal, cost-effective (under USD $70) solution for rapid triage and medical decision-making following nuclear or radiological incidents, potentially saving lives by identifying high-dose exposures (up to 10 Gray) quickly.

A Nanomaterial Flex — MXene Electrodes Help OLED Display Technology Shine, While Bending and Stretching

Researchers from Drexel University and Seoul National University have created organic light-emitting diodes (OLEDs) that could improve mobile technology displays and enable wearable technology.
Photo Credit: Courtesy of Drexel University

Scientific Frontline: "At a Glance" Summary

• Main Discovery: Researchers successfully engineered a highly stretchable Organic Light-Emitting Diode (OLED) capable of expanding to 1.6 times its original length (60% elongation) while maintaining functional electroluminescence, overcoming the rigidity of traditional displays.
• Electrode Mechanism: The device replaces brittle indium tin oxide (ITO) components with transparent, flexible electrodes composed of MXene nanomaterials and silver nanowires, which provide high electrical conductivity and mechanical robustness under stress.
• Active Layer Innovation: A specialized "exciplex-assisted phosphorescent" (ExciPh) organic layer was developed to serve as the light-emitting medium, utilizing chemical engineering to facilitate efficient charge transport and exciton formation even during physical deformation.
• Performance Metrics: The OLEDs demonstrate superior stability compared to existing technologies, exhibiting only a 10.6% reduction in performance when subjected to significant strain and retaining 83% of light output after 100 repeated stretching cycles.
• Significance/Application: This technology clears the path for "skin-mounted" displays and deformable optoelectronics, enabling wearable devices that can visualize real-time health data (such as body temperature and blood flow) directly on the skin.

Technology: In-Depth Description

Image Credit: Scientific Frontline / AI generated (Gemini)

Technology is the rigorous application of scientific knowledge, mathematical principles, and engineering techniques to create tools, systems, and processes that solve practical problems and extend human capabilities. Its primary goal is to bridge the gap between theoretical understanding and real-world utility, transforming abstract discoveries into tangible solutions that enhance efficiency, communication, health, and sustainability.

Ultra-high-resolution Lidar Reveals Hidden Cloud Structures

This experimental setup at Michigan Technological University allows researchers to create and study clouds under carefully controlled conditions. Researchers from Brookhaven National Laboratory used it to demonstrate the capabilities of a new ultra-high-resolution lidar, a laser-based remote sensing instrument for studying cloud properties.
Photo Credit: Michigan Technological University

Scientists at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory and collaborators have developed a new type of lidar — a laser-based remote-sensing instrument — that can observe cloud structures at the scale of a single centimeter. The scientists used this high-resolution lidar to directly observe fine cloud structures in the uppermost portion of laboratory-generated clouds. This capability for studying cloud tops with resolution that is 100 to 1,000 times higher than traditional atmospheric science lidars enables pairing with measurements in well-controlled chamber experiments in a way that has not been possible before.

The results, published in the Proceedings of the National Academy of Sciences, provide some of the first experimental data showing of how cloud droplet properties near the tops of clouds differ from those in the cloud interior. These differences are crucial to understanding how clouds evolve, form precipitation, and affect Earth’s energy balance.

“This is the first time we’ve been able to see these cloud-top microstructures directly and non-invasively,” said Fan Yang, an atmospheric scientist at Brookhaven Lab and the lead author of the study. “These structures occur on scales smaller than those used in most atmospheric models, yet they can strongly affect cloud brightness and how likely clouds are to produce rain.”

Electrodes created using light

Researcher at LiU have developed a technique where visible light can be used to create electrodes from conductive plastics completely without hazardous chemicals. The technique requires no advanced laser setups – visible light from simple LED lamps, such as a party light, can drive the polymerization. 
Photo Credit: Thor Balkhed

Visible light can be used to create electrodes from conductive plastics completely without hazardous chemicals. This is shown in a new study carried out by researchers at Linköping and Lund universities. The electrodes can be created on different types of surfaces, which opens up for a new type of electronics and medical sensors. 

“I think this is something of a breakthrough. It’s another way of creating electronics that is simpler and doesn’t require any expensive equipment,” says Xenofon Strakosas, assistant professor at the Laboratory of Organic Electronics, LOE, at Linköping University. 

Smart sensor tag protects sensitive goods

Inconspicuous: The biodegradable tag is as thin as a sheet of paper, but still able to measure the temperature and relative humidity.
Photo Credit: Empa

Researchers from Empa, EPFL and CSEM have developed a green smart sensing tag that measures temperature and humidity in real time – and can also detect whether a temperature threshold has been exceeded. In the future, this could be used to monitor sensitive shipments such as medicines or food. The sensor tag itself is completely biodegradable. 

Vast flows of goods circle the globe every day. They include particularly delicate shipments, such as certain vaccines, medicines and food products. To ensure that these products arrive safely at their destination, they must remain within a certain temperature and humidity range throughout the entire supply chain. But how do we ensure this? It is costly and unsustainable to equip every single shipment with silicon-based sensors and chips. And measurements at nodes in the supply chain tell you nothing about what has already happened to the delicate goods on their way thus far. 

Metasurfaces show promise in boosting AR image clarity and brightness

Photo Credit: J. Adam Fenster / University of Rochester

Researchers at the University of Rochester have designed and demonstrated a new optical component that could significantly enhance the brightness and image quality of augmented reality (AR) glasses. The advance brings AR glasses a step closer to becoming as commonplace and useful as today’s smartphones.

“Many of today’s AR headsets are bulky and have a short battery life with displays that are dim and hard to see, especially outdoors,” says research team leader Nickolas Vamivakas, the Marie C. Wilson and Joseph C. Wilson Professor of Optical Physics with URochester’s Institute of Optics. “By creating a much more efficient input port for the display, our work could help make AR glasses much brighter and more power-efficient, moving them from being a niche gadget to something as light and comfortable as a regular pair of eyeglasses.”

Unexpectedly high emissions from wastewater treatment plants

With a custom built drone, researchers at LiU have shown that greenhouse gas emissions from many wastewater treatment plants may be more than twice as large as previously thought.
Photo Credit: Magnus Gålfalk

Greenhouse gas emissions from many wastewater treatment plants may be more than twice as large as previously thought. This is shown in a new study from Linköping University, where the researchers used drones with specially manufactured sensors to measure methane and nitrous oxide emissions.

“We show that certain greenhouse gas emissions from wastewater treatment plants have been unknown. Now that we know more about these emissions, we also know more about how they can be reduced,” says Magnus Gålfalk, docent at Tema M – Environmental Change at Linköping University, who led the study published in the journal Environmental Science & Technology.

Wastewater treatment plants receiving sewage from households and industries account for approximately 5 per cent of human-induced methane and nitrous oxide emissions, according to the UN Intergovernmental Panel on Climate Change, IPCC.

To calculate this, the IPCC uses so-called emission factors that are linked to how many households are connected to the treatment plant. The calculation model then yields a number for the emissions from each wastewater treatment plant. This number is an estimate and not the result of actual measurements, which has turned out to be problematic.

Locking carbon in trees and soils could ‘stabilize climate for centuries’ – but only if combined with underground storage

Photo Credit: Veronica Lorine

Research on a ‘portfolio approach’ to carbon removal enables firms to mix expensive tech-based solutions that inject carbon deep underground with lower-cost and currently more available nature-based options, such as forests and biochar. 

A team of researchers, led by Cambridge University, has now formulated a method to assess whether carbon removal portfolios can help limit global warming over centuries.

The approach also distinguishes between buying credits to offset risk versus claiming net-negative emissions.

The study paves the way for nature-based carbon removal projects – such as planting new forests or restoring existing ones – to become effective climate change solutions when balanced with a portfolio of other removal techniques, according to researchers.

They say the findings, published in the journal Joule, show how nature-based and technology-based carbon storage solutions can work together through the transition to net zero, challenging the notion that only permanent tech-based “geological storage” can effectively tackle climate change.

SwRI produces, evaluates sustainable aviation fuel made from e-fuel

A multidisciplinary team at Southwest Research Institute (SwRI) produced, characterized and tested standard jet fuel along with two sustainable aviation fuels (SAF), including one developed at SwRI, through an internally funded project. A custom jet engine test stand was used to gather emissions and particulate data.
Photo Credit: Southwest Research Institute

Southwest Research Institute produced a batch of blended sustainable aviation fuel (SAF) through a refinery process that started with electrofuels or e-fuels made from carbon dioxide and green hydrogen. Using internal research funding, a multidisciplinary team produced and characterized the SAF, along with two other commercially available fuels, before collecting emissions and particulate data to support the aviation industry’s emissions goals.

“Aviation is difficult to decarbonize due to the fuel density and power required for flight,” said Francesco Di Sabatino, a group leader in SwRI’s Mechanical Engineering Division. “With this project we’re gathering important data for conventional fuel and two different SAFs.”

Conventional jet fuel is made from petroleum that burns inside a jet engine. Fueling jets with SAF could help reduce carbon emissions. Worldwide air travel accounts for 2% of all carbon emissions, and 12% of all carbon emissions from transportation. The team tackled three focus areas — production, characterization and testing.

SwRI develops technology to deploy stabilized solar arrays, enabling spacecraft docking

Southwest Research Institute (SwRI) has developed technology that enables spacecraft to utilize precision pointing algorithms for attitude control. SwRI is currently integrating the Parallelogram Synchronized Truss Assembly (PaSTA) technology to stabilize deployed solar arrays on the Astroscale U.S. Refueler.
Image Credit: Southwest Research Institute

Southwest Research Institute (SwRI) has developed technology to stiffen deployable structures on spacecraft, enabling autonomous spacecraft docking operations. SwRI is currently integrating the Parallelogram Synchronized Truss Assembly (PaSTA) technology with solar arrays on the Astroscale U.S. Refueler spacecraft The team is also designing two different deployable booms using PaSTA technology for another spacecraft SwRI is developing.

The Astroscale U.S. Refueler, a 300-kilogram spacecraft, will be the first to conduct hydrazine refueling operations above geostationary orbit for the United States Space Force (USSF) and will be the first-ever on-orbit refueling mission supporting a U.S. Department of War asset. SwRI has been contracted by Astroscale U.S. to build, integrate and test the refueler for the USSF. The spacecraft requires precision pointing to dock with other vehicles in space, which necessitates a stiff deployable solar array to power its movements.

Atomic Neighborhoods in Semiconductors Provide New Avenue for Designing Microelectronics

An illustration of the semiconductor material investigated for this study, which is composed of germanium with small amounts of silicon and tin. The germanium atoms are depicted as gray spheres, the silicon as red and tin as blue.
Image Credit: Minor et al/Berkeley Lab

A team led by Lawrence Berkeley National Laboratory (Berkeley Lab) and George Washington University have confirmed that atoms in semiconductors will arrange themselves in distinctive localized patterns that change the material’s electronic behavior. The research, published today in Science, may provide a foundation for designing specialized semiconductors for quantum-computing and optoelectronic devices for defense technologies.

On the atomic scale, semiconductors are crystals made of different elements arranged in repeating lattice structures. Many semiconductors are made primarily of one element with a few others added to the mix in small quantities. There aren’t enough of these trace additives to cause a repeating pattern throughout the material, but how these atoms are arranged next to their immediate neighbors has long been a mystery. Do the rare ingredients just settle randomly among the predominant atoms during material synthesis, or do the atoms have preferred arrangements, a phenomenon seen in other materials called short-range order (SRO)? Until now, no microscopy or characterization technique could zoom in close enough, and with enough clarity, to examine tiny regions of the crystal structure and directly interpret the SRO.

Innovative transistors for quantum chips

Walter Weber, Masiar Sistani and Andreas Fuchsberger
Photo Credit: Technische Universität Wien

The smaller electronic components become, the more complex their manufacture becomes. This has been a major problem for the chip industry for years. At TU Wien, researchers have now succeeded for the first time in manufacturing a silicon-germanium (SiGe) transistor using an alternative approach that will not only enable smaller dimensions in the future, but will also be faster, require less energy and function at extremely low temperatures, which is important for quantum chips.

The key trick lies in the oxide layer that insulates the semiconductor: it is doped and produces a long-range effect that extends into the semiconductor. The technology was developed by TU Wien (Vienna), JKU Linz and Bergakademie Freiberg.

Space-based nuclear detonation detection mission endures

Visual safety observers Debra Yzquierdo, left, and Naomi Baros watch the skies for aircraft atop an observation platform.
Photo Credit: Craig Fritz

Roughly 12,550 miles above Earth, a constellation of U.S. global positioning satellites orbits the planet. GPS satellites also carry a sophisticated system designed to detect above ground nuclear detonations anytime, anywhere.

The Global Burst Detection system, developed by Sandia and Los Alamos national laboratories, carries a suite of sensors and instruments capable of identifying signals from nuclear detonations and providing real-time information to the U.S. military and government.

The final system in the current block of eight systems launched into space in May 2025. Meanwhile, the next series, scheduled for initial deployment in 2027, already has several units completed and ready to be integrated with host satellites.

This mission has endured for more than 60 years at the Labs. Teams of engineers, scientists and technologists work a decade ahead to develop new complex technologies that can withstand the harsh space environment while countering evolving threats.

Sandia team creates X-ray images of the future

Courtney Sovinec examines the multi-patterned target used to create a new type of X-ray image at Sandia National Laboratories.
Photo Credit: Vince Gasparich

When German physicist Wilhelm Röntgen discovered X-rays in the late 1800s while experimenting with cathode ray tubes, it was a breakthrough that transformed science and medicine. So much so that the basic concept remains in use today. But a team of researchers at Sandia National Laboratories believes they’ve found a better way, harnessing different metals and the colors of light they emit.

“It’s called colorized hyperspectral X-ray imaging with multi-metal targets, or CHXI MMT for short,” said project lead Edward Jimenez, an optical engineer. Jimenez has been working with materials scientist Noelle Collins and electronics engineer Courtney Sovinec to create X-rays of the future.

“With this new technology, we are essentially going from the old way, which is black and white, to a whole new colored world where we can better identify materials and defects of interest,” Collins said.

The team found they could achieve this using tiny, patterned samples of varied metals such as tungsten, molybdenum, gold, samarium and silver.

Lockheed Martin Matures Next Secure Communications Satellite Solution for U.S. Space Force with Major Design Milestone

MUOS Satellite From Lockheed Martin
Mobile User Objective System (MUOS) satellites, the fifth one of which is seen here in production at Lockheed Martin, are vital to providing secure communications for allied military forces around the world.
Photo Credit: Lockheed Martin.

Lockheed Martin has now proven the readiness of its satellite design in support of the U.S. Space Force (USSF) Space Systems Command’s upcoming Mobile User Objective System (MUOS) Service Life Extension (SLE) program through successful execution of an Early Design Review (EDR). Future MUOS satellites planned as part of the program will be critical in continuing to provide crystal-clear, secure communications to military forces on the move.

Lockheed Martin is one of two companies selected to develop future MUOS satellite concepts under Phase 1 of the program, centered on early design activities and risk reduction.

“In less than the initial one-year base period of performance, our team went above and beyond to deliver not only a successful early design review – but one so robust that it passed the rigorous standards of a more advanced design assessment,” said Maria Hartin-Swart, program management director for Lockheed Martin’s MUOS SLE development efforts.

Better digital memories with the help of noble gases

Adding the noble gas xenon when manufacturing digital memories enables a more even material coating even in small cavities.
Photo Credit: Olov Planthaber

The electronics of the future can be made even smaller and more efficient by getting more memory cells to fit in less space. One way to achieve this is by adding the noble gas xenon when manufacturing digital memories. This has been demonstrated by researchers at Linköping University in a study published in Nature Communications. This technology enables a more even material coating even in small cavities.

Twenty-five years ago, a camera memory card could hold 64 megabytes of information. Today, the same physical size memory card can hold 4 terabytes – over 60,000 times more information.

An electronic storage space, such as a memory card, is created by alternating hundreds of thin layers of an electrically conductive and an insulating material. A multitude of very small holes are then etched through the layers. Finally, the holes are filled with a conductive material. This is done by using a technique in which vapors of various substances are used to create thin material layers.