Magazine

Vision-Based Approach and Landing System (VALS)

Incorporating a vision-based navigation method, NASA Ames has developed a novel Alternative Position, Navigation, and Timing (APNT) solution for AAM aircraft in environments where GPS is not available. Read on to learn more about it.

Safe, Inexpensive Method to Propel Small Satellites

A novel micropropulsion system was developed for nanosatellite applications using a liquid-fed pulsed-plasma thruster. It uses a liquid propellant for a Lorentz-force pulsed-plasma accelerator and an extended lifetime ignition system driven by nanosecond-long pulses. Read on to learn more.

UCF’s Hypersonic Technology Advances

Over the past year, the DoD has awarded funding to hypersonics research led by University of Central Florida Mechanical and Aerospace Engineering Professor Kareem Ahmed to support the advancements he’s making in the technology. The support is a testament to the progress UCF has made in the field. Read on to learn more about these advances.

Modeling and Analyzing Inter-Satellite Relative Motion

To address scalable control of orbital dynamics, NASA Ames Research Center has patented Swarm Orbital Dynamics Advisor (SODA) — a solution that accepts high-level configuration commands and provides the orbital maneuvers needed to achieve the desired type of swarm relative motion. Read on to learn more.

Recycling Defunct Satellite Material into a Fuel Source

A research team from the University of Waterloo’s Laboratory for Emerging Energy Research is looking into processing lunar regolith, the Moon’s top layer of soil and dust, into usable materials for life support, energy generation, and construction. This includes investigating the use of defunct satellite material as a fuel source when mixed with lunar regolith. Read on to learn more.

Understanding the Vulnerability in Wireless Backhaul Networks for 5G

A research team led by Rice University’s Edward Knightly has uncovered an eavesdropping security vulnerability in high-frequency and high-speed wireless backhaul links, widely employed in critical applications such as 5G wireless cell phone signals and low-latency financial trading on Wall Street. Read on to learn more.

Nanoscale Device Points the Way to Future Wireless Communication Channels

In a paper published in the journal Nature Nanotechnology, a team of Caltech engineers reports building a metasurface patterned with miniscule tunable antennas capable of reflecting an incoming beam of optical light to create many sidebands, or channels, of different optical frequencies. Read on to learn more.

New Wearable Communication System Can Transmit Data Farther than Wi-Fi

A group of University of Arizona researchers has developed a wearable monitoring device system that can send health data up to 15 miles without any significant infrastructure. Their device, they hope, will help make digital health access more equitable. Read on to learn more.

A Digital Twin Can Predict What Data Wireless Users Will Need Before They Need It

Researchers have developed a new method for predicting what data wireless computing users will need before they need it, making wireless networks faster and more reliable. The new method makes use of a technique called a “digital twin,” which effectively clones the network it is supporting. Read on to learn more.

Enabling High-Capacity Space Communication

Researchers have achieved data rates as high as 424Gbit/s across a 53-km turbulent free-space optical link using plasmonic modulators — devices that uses special light waves called surface plasmon polaritons to control and change optical signals. The new research lays the groundwork for high-speed optical communication links that transmit data over open air or space. Read on to learn more.

Silicone Membrane for Wearable Devices is Comfortable and Breathable

A silicone membrane for wearable devices is more comfortable and breathable thanks to better-sized pores made with the help of citric acid crystals. The new preparation technique fabricates thin, silicone-based patches that rapidly wick water away from the skin. The technique could reduce the redness and itching caused by wearable biosensors that trap sweat beneath them. Read on to learn more.

Future Washable Smart Clothes Powered by Wi-Fi will Monitor Health

Purdue University engineers have developed a method to transform existing cloth items into battery-free wearables resistant to laundering. These smart clothes are powered wirelessly through a flexible, silk-based coil sewn on the textile. Read on to learn more.

Prepare for Takeoff: NWI Aerostructures Thrusts Forward with CNC Control System

The aerospace industry is in an era of profound innovation. Airplanes and air travel are transforming in response to the needs of the global economy, necessitating the building of aircraft at an accelerated pace. Enter NWI. With over 50 years of long-bed machining expertise, NWI is a contract manufacturer of complex structural components, sub-assemblies, and complete major assemblies of wing structures. Read on to learn more.

New on the Market

See what's new on the market, including Nikon Metrology NV's Scatter Correction CT; Emerson's next-generation Rosemount™ 3490 Controller; Fischer Connectors' USB 3.2 connectors and cable assembly solutions; Renesas Electronics' R-Car Family of system-on-chips for entry-level Advanced Driver Assistance Systems (ADAS); and much more.

Products of Tomorrow

See the products of tomorrow, including a 3D microwave antenna, smart CCTV systems trained to spot blockages in urban waterways, and a full-scale prototype for six telescopes that will enable, in the next decade, the space-based detection of gravitational waves.

Shedding Weight: Connectivity in Military-Aerospace Applications

Weight is among the most critical factors behind component choice when it comes to aerospace applications. Being among the bulkiest of components, connectors and cables need to embrace the latest scientific advances in order to reduce weight and enhance performance, fuel efficiency, and overall system reliability. This article outlines the recent advances enabling lighter connectors for aircraft, satellites, and drones.

Product of the Month

Read about the product of the month, Synopsys' ImSym — Imaging System Simulator, a virtual prototyping platform for imaging systems, encompassing lenses, sensors, and image signal processors (ISPs).

AI Helps UAVs Predict Oncoming Turbulence

Professor Animashree (Anima) Anandkumar and her team at The California Institute of Technology (Caltech) have developed a control strategy for unmanned aerial vehicles (UAVs) that uses reinforcement learning to adaptively learn how turbulent wind can change over time and then uses that knowledge to control the UAV based on what it is experiencing.

5Ws of 3D-Printed Glass Bricks

MIT engineers have 3D printed sturdy glass bricks for building structures. The interlocking bricks, which can be repurposed many times over, can withstand similar pressures as their concrete counterparts.

3D-Printed Engines Propel Next Industrial Revolution

The new possibility of 3D-printed aluminum engine parts will mean significant savings for NASA in terms of time, money, and, most importantly, the weight of future spacecraft. Elementum 3D Inc., a partner on the project, is now bringing the benefits of that technology to its customers.

Designing the Next Generation of Event-Based Sensing and Vision for Edge Applications

Event-based sensing enables new approaches to machine learning. An object recognition or detection algorithm that, until now, could only use the spatial information from a frame can now access another dimension: time. Read on to learn more.

New Ultrafast Imaging Technique Provides Insight into Combustion Processes

A team of scientists has developed an ultrafast imaging technique, called femtosecond laser sheet-compressed ultrafast photography, that can compile videos of incredibly transient details. Read on to learn more about it.

Seeing Like a Butterfly: Optical Invention Enhances Camera Capabilities

Butterflies can see more of the world than humans, including more colors and the field oscillation direction, or polarization, of light. Other species, like the mantis shrimp, can sense an even wider spectrum of light, as well as the circular polarization, or spinning states, of light waves. Inspired by these abilities in the animal kingdom, researchers have developed an ultrathin optical element known as a metasurface, which can attach to a conventional camera and encode the spectral and polarization data of images captured in a snapshot or video through tiny, antenna-like nano-structures that tailor light properties.

An OLED for Compact, Lightweight Night Vision

A new type of organic light emitting diode (OLED) could replace bulky night vision goggles with lightweight glasses, making them cheaper and more practical for prolonged use, according to University of Michigan researchers. Read on to learn more.

New Technology Uses Light to Engrave Erasable 3D Images

Imagine if physicians could capture 3D projections of medical scans, suspending them inside an acrylic cube to create a hand-held reproduction of a patient’s heart, brain, kidneys, or other organs. Then, when the visit is done, a quick blast of heat erases the projection, and the cube is ready for the next scan. A new report by researchers at Dartmouth and Southern Methodist University outlines a technical breakthrough that could enable such scenarios, and others, with widespread utility. Read on to learn more.

New Computer Vision-Based System Monitors Seasonal Dynamics of Tropical Water

Researchers have developed a new way to map water on land in the tropics. Called the UC Berkeley Random Walk Algorithm WaterMask, this advanced monitoring technology uses L-band microwaves from the Cyclone Global Navigation Satellite System to “see” water hidden beneath visual barriers, like tree canopies and clouds. Read on to learn more.

Researchers Develop Smallest Free-Floating Bubbles for Medical Imaging

A team of researchers from Rice University has introduced 50-nm gas-filled protein nanostructures derived from genetically engineered gas vesicles(GVs) that are referred to as 50 nmGVs. Read on to learn more.