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Briefs Energy
Algorithms to Enhance Reliability of Electric Vehicle Charging
American drivers have long been accustomed to quickly filling up at a gas station with plenty of fuel available, and electric vehicle drivers want their pit stops to mimic this experience. Researchers are working to make EV charging more resilient. Read on to learn more about it.

Briefs Aerospace
Multi-Scale Structuring of the Polar Ionosphere
Ionospheric variability is a critical consideration for communication systems, GNSS, and space asset management.

Articles Unmanned Systems
The Olfactory Factor in AV Interiors
Whether they’re riding in an autonomous shuttle, a transit bus, a train or a rental car, passengers often face cabin air full of “mal odors” — bad smells — including cigarette and vape smoke,...

Editorial Green Design & Manufacturing
Engineering ‘Electron Guzzlers’
Apparently, ‘gas guzzler’ now encompasses any vehicle that burns hydrocarbon fuels, no matter how efficient. Anything with an exhaust pipe.

Editorial Energy
Waging a War for EV Materials Security
Conflict over natural resources and human history are inseparable. Wars waged directly or indirectly over control of commodities, trade routes, water, food sources and arable soil have been the root...

What We’re Driving Power
When a Van Beats a Pickup
As a utilitarian tool, the 2021 Great American Pickup truck has some fundamental flaws. Its open bed jeopardizes any cargo that’s valuable (exposing your payload to the world) or not waterproof. Worse, however,...

News Imaging
A Cool New Dimension to Automotive Plastics’ Testing
R&D testing in extreme temperatures has long been part of ensuring required longevity and performance of automotive materials. That is particularly so regarding plastics, the...

News Propulsion
What We’re Driving: Mercedes-AMG E 53 4Matic+
Select “Sport+”, floor the gas pedal, listen to the engine and exhaust notes, and the essence of Mercedes-AMG’s latest E 53 sedan is sensationally clear. But shouldn’t this combo be...

Briefs Photonics/Optics
New Class of Excimer-Pumped Atomic Lasers (XPALS)
The focus of this research program was the investigation of XPAL properties, and new pumping schemes, as well as modeling, and measuring critical photoionization and excited state-excited state...

Product Briefs Materials
Accumulator Design and Assembly Process
To address the disadvantages mainly in the traditional manufacture of diaphragm accumulators, Freudenberg Sealing Technologies (Weinheim, Baden-Württemberg, Germany) developed a new approach—one that...

Briefs Imaging
Imaging Detonations of Explosives
An effort has been made within the US Army Research Laboratory (ARL) to extract quantitative information on explosive performance from high-speed imaging of explosions. Explosive fireball surface temperatures...

Briefs Photonics/Optics
Development of Photoacoustic Sensing Platforms
In recent years, photoacoustic spectroscopy (PAS) has emerged as an attractive and powerful technique well suited for sensing applications. The development of high-power radiation sources and more...

Product Briefs Materials
Mass Flow Meter
The MicroTRICOR TCM-100 Coriolis mass flow meter from AW-Lake Company (Oak Creek, WI) is the smallest TRICOR Coriolis meter designed for the accurate measurement of very low flow rates. It is suitable for dosing, blending and...

Briefs Aerospace
Development of High Quality 4H-SiC Thick Epitaxy for Reliable High Power Electronics Using Halogenated Precursors
Development of robust semiconductor devices with high energy efficiency and reliability is a key objective towards 'Energy...

Articles Defense
Advances in Lightweight Electronics Protection
Lightweighting continues to be a key topic for the aerospace, avionics and defense industries as new metals and composites are being integrated into end products and assemblies with the goal of...

Briefs Mechanical & Fluid Systems
Molecularly Imprinted Polymer (MIP)-Coated Microbeam MEMS Sensor for Chemical Detection
Monitoring trace gases is of great importance in a wide range of applications. Detecting a diverse range of chemical agents requires an adaptable sensor...

Briefs Defense
Silicon Microsphere Fabrication
The efficiency and methodology of coupling light into microcavities has improved exponentially in the last decade. One such advancement is coupling light onto silicon microspheres. The material, size, and shape...

Briefs Physical Sciences
Detecting Trace Levels of Explosives Using Vibrational Sum Frequency Spectroscopy
The threat of improvised explosive devices (IEDs) to human life is grave, and countering this threat is a high priority for force protection during military...

Technology Update Aerospace
Production of Satellite with First All-Electric Propulsion System Advances
Boeing is “running on schedule” as it continues to achieve production milestones for the first of its all-electric-propulsion 702SP (small platform) satellites.

News Materials
Magnetic Filtration Solutions
FilterMag International offers the FilterMag product family to prevent erosive contaminants in critical assets for mining, oil and gas, construction, and manufacturing. To remove the small particles that cause...

Briefs Materials
Electrochemical Energy Storage Materials
One of the most important requirements in next-generation batteries is to concurrently deliver high energy density and high power density (fast charge-discharge rates). The high power density requirement...

Briefs Test & Measurement
Thermal Mechanical Fatigue Crack Growth Testing
Turbines in aircraft turbojet engines are being subject to increasingly higher temperatures to improve fuel efficiency. High turbine efficiency requires the ability of turbine blades to withstand...

Briefs Manufacturing & Prototyping
Operation and On-Chip Integration of Cavity-QED-Based Detectors for Single Atoms and Molecules
A new experimental platform for studies of transport and quantumlimited measurements of cold, trapped atomic gases was constructed. Using microfabrication processes, a silicon wafer was micromachined to allow for deposition of micrometer-scale...
Articles Electronics & Computers
Thin Cavity Cooling of Electronic Circuitry
Anovel tested technology for cooling electronic circuitry is also useful in many other industries. The method is called “Thin Cavity Fluidic Heat Exchanger”(TCFHE). Technology details can be...

Briefs Manufacturing & Prototyping
Fabrication of Carbon Nanotube Channels on Three- Dimensional Building Blocks
Single-wall carbon nanotubes (SWNTs) are the most attractive material in the fields of nanoscience and nanotechnology due to their chemical, physical, and electrical...

Briefs Materials
Transparent Ceramics for High-Energy Laser Systems
When a high-energy laser (HEL) beam transmits through a window material, a part of the laser energy is absorbed by the material and causes optical aberrations. This absorbed energy results in...

Application Briefs Defense
New Energy Source Powers Single-Use Mil/Aero Equipment
Until recently, single-use high energy devices were typically powered by reserve/thermal batteries using decades-old technology. Recognizing that battery performance limitations could...

Articles Aerospace
Using Fiber Metal Abradable Seals in Aerospace Turbine Applications
Limiting leakage in aerospace turbo-machinery has been a focus of engineers ever since the advent of the turbine. An increasing number of companies are finding that fiber metal...

Briefs Materials
Gallium Nitride High-Power Electronics
Gallium nitride (GaN) high-power electronic (HPE) devices have the potential to outperform those made from 4H-silicon carbide (SiC), the polytype used for HPE devices, because it has a larger critical...

Top Stories
INSIDERManned Systems
Supersonic X-59 Completes Cruise Control Engine Speed Test Ahead of First Flight
INSIDERManufacturing & Prototyping
3D-Printed C-17 Replacement Part Saves Thousands for Air Force
INSIDERAerospace
Venus Aerospace’s Rotating Detonation Rocket Engine Completes First Flight...
INSIDERAerospace
Aitech’s New Palm-Sized Satellite Enables Space-Based AI Processing
INSIDERWeapons Systems
Navy Proves Cold-Gas Approach in Hypersonic Launch Test
INSIDERSoftware
Bombardier is Digitally Upgrading its Aircraft Design, Engineering and...
Webcasts
Defense
Solving Thermal Challenges in Defense: The Role of ECUs and Chillers
Manufacturing & Prototyping
How Simulation Is Revolutionizing Automotive Design in the...
Automotive
Future-Proofing Automotive Software: Modularity, Reuse, and...
Automotive
Technological Advancements in Aluminum Brazing: Resolving 5...
RF & Microwave Electronics
Selecting RF Coaxial Cables for Space Flight
Defense
Soar to New Heights: Simulation-Driven Design for Safety in...