May 2021

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Special Reports: Aerospace
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RF & Microwave Electronics - May 2021
In this compendium of recent articles from the editors of Aerospace & Defense Technology and Tech Briefs, read about how advances in RF electronics are enabling new applications in space and ground...

Special Reports: Transportation
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Advanced Materials & Coatings - May 2021
New diamond super-material enhances military aircraft survivability…a gold film gives robots “chameleon skin”…shape-shifting nanomaterial offers exciting biotech applications…aerogel-reinforced...

Articles: Manufacturing & Prototyping
Learn about the benefits of SWIR imaging, from food inspection to surveillance.
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Briefs: Imaging
A flexible, free-standing THz sensor array images blind ends of irregularly shaped objects.
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Articles: Test & Measurement
A heat source near the optical path can introduce image warping that locally shifts the position of the image content. Learn how to fix the flaw.
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Products: Photonics/Optics
Fiber coatings measurement, single-frequency laser, optical filters, and more.
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Application Briefs: Manufacturing & Prototyping
Learn about tooling challenges and other considerations when designing micro-optics, including metrology equipment capabilities, and post-molding assembly.
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Application Briefs: Electronics & Computers
What you need to know before you incorporate large diameter aspheres into your optical systems.
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Briefs: Photonics/Optics
Northwestern researchers have developed a new microscopy method that allows scientists to see the building blocks of “smart” materials being formed at the nanoscale.
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Technology Leaders: Test & Measurement
Thanks to new innovations in measurement technologies, manufacturers and users now have a wide range of options for proactively measuring the laser beam.
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Briefs: Photonics/Optics
A team has introduced a new method for taking high-res images of fast-moving and rotating objects in space, such as satellites or debris in low-Earth orbit.
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Technology Leaders: Test & Measurement
Test technologies are available as technologies evolve to 800Gbps and 1.6Tbps for next-generation data center architectures.
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Briefs: RF & Microwave Electronics
Innovators have developed an RFID-based system for sensing the angular position of rotating systems. The RFID-Based Rotary Position Sensor can be used as a position/orientation sensor or implemented in a...
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Briefs: Manufacturing & Prototyping
NASA Marshall Space Flight Center developed designs for two micro-electromechanical systems (MEMS) motion and position sensors: a single-axis accelerometer and a gyroscope....
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Articles: Test & Measurement
Conductive cellulose, composites testing, and a light-emitting tattoo.
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Facility Focus: Manufacturing & Prototyping
Notable graduates of the school include Amazon CEO and founder Jeff Bezos, Google executive Eric Schmidt, Internet pioneer Bob Kahn, former Chrysler head Lee Iacocca, and six NASA astronauts.
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Briefs: Manufacturing & Prototyping
This additively manufactured alloy is tailored for high-temperature applications.
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Briefs: Propulsion
Using microwaves reduces the cost of launching rockets.
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NASA Spinoff: Mechanical & Fluid Systems
With a clever design by NASA, waiting for hot water could be a thing of the past.
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Briefs: Materials
The thruster provides a low-cost, extremely efficient propulsion source for miniature satellites.
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Briefs: Wearables
The wearable prototype can stream, in real time, an identifying signature based on the electrical activity of a person's heart.
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Briefs: Propulsion
These engines will allow upper stage rockets for space missions to become lighter, travel farther, and burn more cleanly.
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Briefs: Communications
The electrochemical sensor can detect the presence of the virus in less than five minutes.
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Briefs: Test & Measurement
This affordable, scalable sensor could be a vital tool in the fight against air pollution and its associated health risks.
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Briefs: Mechanical & Fluid Systems
The paper-like material could be useful in soft robots, sensors, artificial muscles, and electric generators.
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Briefs: Green Design & Manufacturing
This could reduce the environmental impact of styrene manufacturing.
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Briefs: Data Acquisition
An algorithm runs onboard a vehicle, providing important real-time data to aid in steering the craft.
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Briefs: Electronics & Computers
Normally an insulator, diamond becomes a metallic conductor when subjected to large strain.
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5 Ws: Robotics, Automation & Control
A research team programmed two robots — a humanoid figure and a robotic arm — to measure human physiological signals.
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Briefs: Mechanical & Fluid Systems
The new hinge is the key to get loadbearing, large quadrotors to climb a few dozen feet in seconds.
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Briefs: Sensors/Data Acquisition
The sensors could be used in medical applications such as neuroscience and metabolism processes.
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Briefs: Photonics/Optics
This technique has applications in strain, temperature, pressure, vibration, and acoustic sensing.
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Briefs: Materials
This method increases burn rate of solid propellants.
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Briefs: Sensors/Data Acquisition
This technology provides drones sufficient time and distance to react, avoid wires, and navigate follow-on maneuvers.
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Briefs: Test & Measurement
The miniaturized detector mimics the process dogs use to detect cancer and other diseases by smell.
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Briefs: Energy
The proposed design could reduce nitrogen oxide emissions by 95 percent.
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Articles: Mechanical & Fluid Systems
These 6 advancements are leading us to cleaner, faster aircraft.
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Briefs: Materials
This invention achieves sustainable freshwater production in a variety of climates at minimal energy cost.
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Briefs: Materials
Flea-sized, hollow blocks can be filled with materials that improve healing.
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Briefs: Test & Measurement
Applications include monitoring of earthquakes and tsunamis as well as manmade infrasonic sources such as boats.
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Briefs: Materials
A new method could jump-start the creation of tiny medical devices for the body.
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Briefs: IoMT
Programmed magnetic nanobeads are used to detect the virus in 55 minutes or less.
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Briefs: Energy
Thrusters based on magnetic reconnection could complete long-distance missions in a shorter period of time.
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Products: Data Acquisition
Cable ties, milling software, snap-action switches, and more.
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Briefs: Sensors/Data Acquisition
The portable lab-on-a-chip detects many contaminants in water supplies.
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Briefs: Robotics, Automation & Control
Autonomous quadcopters can be trained using simulations to increase their speed, agility, and efficiency.
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Briefs: Aerospace
This model can be used to design better aircraft without having to wait months for supercomputer calculations.
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Briefs: Mechanical & Fluid Systems
Potential applications include parachutes, hot air balloons, weather balloons, blimps, sails, and parasails.
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Application Briefs: Manufacturing & Prototyping
See how makers of an automated truck wash system added a monitoring option for customers.
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Briefs: Mechanical & Fluid Systems
The structures’ small size and porosity make them well-suited for building components such as replacement joints.
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Briefs: Manufacturing & Prototyping
Synthetic materials can mimic how living organisms expand and contract soft tissues, achieving complex 3D movements and functions.
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Briefs: Energy
Bioinspired cellulose nanofibrils can be controlled by electricity.
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Q&A: Sensors/Data Acquisition
Rutgers researcher Xiaoran Fan developed a "HeadFi" method that uses ordinary headphones as sensors.
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Articles: Energy
As the vehicle platform size decreases, the pulse power discharge rates of the Energy Storage System (ESS) increase.
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Briefs: Nanotechnology
This technology provides highly efficient grid-scale electricity storage at a fifth of the cost of current storage technologies.
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Articles: Materials
Lithium-metal solid-state batteries can provide a safer, more energy-dense alternative to current technology.
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Articles: Electronics & Computers
A disruptive manufacturing technology now offers reduced manufacturing costs and improved volumetric energy density in all-solid cells.
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Articles: Electronics & Computers
A comparison of passive and active supercapacitor charging methods emphasizes the need for a close inspection on power source and supercapacitor demand.
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Products: Energy
Battery analyzers, uninterruptible power supplies, adhesives, and more.
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Briefs: Energy
The cathodes could enhance energy density of next-generation Li-ion batteries.
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Articles: Energy
The online Battery and Electrification Summit on June 15 and 16, 2021 offers two days of expert insight, innovation, and emerging applications.
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Articles: Electronics & Computers
See how WiBotic — a maker of wireless charging and fleet energy management technologies — is preparing robots for the Moon.
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Briefs: Electronics & Computers
The alloy could influence the way energy storage devices are designed and manufactured.
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Products: Test & Measurement
A smart temperature transmitter delivers measurements via Bluetooth.
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INSIDER: Semiconductors & ICs
Uncooled Thermal Lens British threat detection specialist Silent Sentinel (Hertfordshire, UK) has expanded its Aeron Ranger suite of cameras to include a brand-new 25-150mm Long Wavelength Infrared (LWIR) uncooled thermal lens,...
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INSIDER: Photonics/Optics
New research shows how to measure the super-short bursts of high-frequency light emitted from free electron lasers (FELs). By using the light-induced ionization itself to create a...
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INSIDER: Photonics/Optics
Fiber optic technology is the holy grail of high-speed, long-distance telecommunications. Still, with the continuing exponential growth of internet traffic, researchers...
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INSIDER: Photonics/Optics
Photonics has the potential to transform all manners of electronic devices by storing and transmitting information in the form of light, rather than electricity. Using...
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Question of the Week: Aerospace
Will We See Human Exploration on Mars by 2040?
An INSIDER story last week highlighted another recent achievement on Mars: A rover instrument known as “MOXIE” created oxygen from the Martian atmosphere. The NASA-led demonstration is a first step toward human presence on the Red Planet, according to MOXIE principal lead Michael Hecht.
Blog: Manufacturing & Prototyping
An international team used 3D printers and a novel bioprinting technique to print algae into living, photosynthetic materials that are tough and resilient.
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Blog: Manufacturing & Prototyping
By adjusting a surface's wettability and texture, IIT Bombay researchers demonstrate how to best limit the spread of coronavirus.
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INSIDER: Robotics, Automation & Control
MIT researchers developed RF-Grasp, a robot that uses radio waves to sense occluded objects. RF-Grasp uses both a camera and an RF reader to find and grab tagged objects, even when they’re fully blocked from...
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INSIDER: Robotics, Automation & Control
Using 3D bioprinting, researchers have created biobots at the centimeter size range that can swim and coast like fish with unprecedented velocity. Rather than working with stiff or tethered scaffolds...
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INSIDER: Robotics, Automation & Control
NASA’s Ingenuity Mars Helicopter has a new mission. Having proven that powered, controlled flight is possible on the Red Planet, the Ingenuity experiment will soon embark on a new operations demonstration...
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Question of the Week: Materials
Will ‘Living Materials’ Catch On?
Our lead story today highlighted the possible applications for a "living material" made from microalgae and cellulose.
Blog: Robotics, Automation & Control
Computer scientists at UC San Diego developed a navigation system that will allow robots to better negotiate busy environments in a hospital
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Blog: Materials
A team from Texas A&M developed a battery that's metal-free and replaces cobalt with organic, recyclable materials.
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Question of the Week: Materials
Will Metal-Free Batteries Catch On?
Our lead story today highlighted a metal-free battery that degrades on demand. While a cobalt-less battery has its sustainability benefits, more work will need to be done for the Texas A&M-developed technology to compete with the lithium-ion standard.
Blog: Materials
A better aerogel features a kind of biological scaffold made from a surprising ingredient found in nature: seaweed.
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Blog: Transportation
A reader asks: "What are the main challenges in simulating powertrain systems? What do we struggle to model now?"
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Question of the Week: Aerospace
Will 'Zero-Impact' Planes Take Off?
Our May issue of Tech Briefs highlighted a hybrid-electric aircraft design from MIT that, according to its creators, could reduce global nitrogen oxide (NOx) emissions by 95 percent.
INSIDER: Motion Control
As part of the Artemis program, NASA is planning to send its first mobile robot to the Moon in late 2023 in search of ice and other resources on and below the lunar surface. Data from the Volatiles...
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Blog: Photonics/Optics
Researchers from CU Boulder gave their optical "rectennas" a ghost-like way to turn wasted heat into power.
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Blog: RF & Microwave Electronics
NC State researchers have made what they believe to be the smallest state-of-the-art RFID chip: a device measuring 125 micrometers (μm) by 245μm.
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