Blog : Aerospace
AUVSI XPONENTIAL 2019: Air Force Technology
As always, the Air Force Research Laboratory had a huge presence at AUVSI’s XPONENTIAL show in Chicago.
Briefs : Aerospace
Rhombohedron Epitaxial Growth with Molten Target Sputtering (MTS) at 500 °C Substrate Temperature

This invention applies to the field of sputtering, depositing SiGe thin films on sapphire substrates. It is a method of modifying the film...

Application Briefs : Defense
Additive Manufacturing Helps Soldiers Get Parts Faster
Rize
Woburn, MA
www.rize3d.com

Headquartered at Picatinny Arsenal in New Jersey, The United States Army Armament Research, Development and Engineering Center (ARDEC)...

Briefs : Electronics & Computers
Bendable Electronic Paper Displays a Range of Colors

The combination of conductive polymers on nanostructures was demonstrated as suited to creating electronic displays as thin as paper. The “paper” is similar to the Kindle tablet. It...

Briefs : Photonics/Optics
In-Situ Characterization and Inspection of Additive Manufacturing Deposits Using Transient Infrared Thermography

Additive manufacturing, or 3D printing, is a rapidly growing field in which solid objects can be produced layer-by-layer. This...

Briefs : Photonics/Optics
Measurement Method for Radioactive Methane

Anew method for measuring radioactive methane is an optical one based on spectroscopy. Previously, radioactive methane has been measured with accelerator mass spectrometry involving expensive machines. Optical measuring could be a cheaper and more agile method.

Articles : Mechanical & Fluid Systems
A Guide to Collaborative Robot Safety

The ability of collaborative robots to share tasks with humans and flexibly adapt to new requirements can provide high returns on investment in a wide variety of industrial applications. Manufacturers...

Briefs : Photonics/Optics
Metamaterial Mirror Reflects Sound Waves in Any Direction

Researchers have constructed a “metamirror” device capable of perfectly reflecting sound waves in any direction. The proof-of-principle demonstration is analogous to looking...

Briefs : Electronics & Computers
Waterproof Graphene Electronic Circuits

The many applications of graphene, an atomically-thin sheet of carbon atoms with extraordinary conductivity and mechanical properties, include the manufacture of sensors. These transform environmental parameters into electrical signals that can be processed and measured with a computer. Due to their...

Briefs : Photonics/Optics
3D Printer Uses Rays of Light to Shape Objects

Most 3D printers, including light-based techniques, build up 3D objects layer by layer. This leads to a “stair-step” effect along the edges. They also have difficulties creating flexible...

Briefs : Test & Measurement
Radiometric Temperature Measurement Using a DLP-Based Pyrometer

Researchers at NASA’s Armstrong Flight Research Center have identified and evaluated recently available miniature spectrometers that enable compact and robust pyrometry...

Briefs : Materials
Material Could Make Plastic Manufacturing More Energy-Efficient

Anew material was developed that can extract the key ingredient in the most common form of plastic from a mixture of other chemicals while consuming far less energy than usual....

Application Briefs : Aerospace
Miniature Bearings Play a Major Role in Mars 2020 Mission
Timken
North Canton, OH
www.timken.com

As NASA prepares for the launch of its newest Mars rover in 2020, Timken engineers have designed and tested its miniature...

Briefs : Software
Machine Learning Tool Computes Flow Around Interactively Designable 3D Objects

When engineers want to test the aerodynamic properties of the newly designed shape of a car, airplane, or other object, they would normally model the flow of air...

Articles : Aerospace
Facility Focus: NASA Marshall Space Flight Center

Founded on July 1, 1960, Marshall Space Flight Center in Huntsville, AL is one of NASA’s largest field centers. Marshall engineers designed, built, tested, and helped launch the Saturn V...

Briefs : Electronics & Computers
High-Performance, Current-Steering Digital-to-Analog Converter

A current-steering digital-to-analog converter (DAC) was developed that achieves improved switching times (up to 75% faster) in high-speed (gigahertz), high-resolution (8-14...

Briefs : Electronics & Computers
Electron Beam Heating and Atomic Restructuring of Sapphire Surfaces

NASA’s Langley Research Center has developed a new way to reduce the high-temperature heating requirement of sapphire substrates in wafer production. The growth of...

Articles : Photonics/Optics
LED Lighting Improves Efficiency and Imaging

Rocket engine testing requires a lot of light since all tests are filmed with high-speed cameras to monitor performance; however, those cameras have to adjust to the bright plume from a firing...

Briefs : Software
Fast and Accurate Simulation of Manufactured Parts with Defects

Unwanted porosity is typical to many manufacturing processes — from traditional casting to additive manufacturing (3D printing) — and is difficult to avoid entirely....

Products : Test & Measurement
New on the Market: May 2019

Position Sensors

Novotechnik, U.S., Southborough, MA, introduced Vert-X 2900 Series sensors that measure angular position and are available in single or redundant versions. Users can specify...

Articles : Photonics/Optics
Products of Tomorrow: May 2019

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Briefs : Software
Software Could Help Prevent Arrhythmic Heart Disease

The heart’s pumping ability is controlled by electrical activity that triggers the heart muscle cells to contract and relax. In certain heart diseases such as arrhythmia, the organ’s electrical activity is affected.

5 Ws : Aerospace
5 Ws of Foldable Mechanical Devices

Who

Manufacturers across medical, space, aviation, military, and automotive industries could use the technology to build complex machines that integrate with surfaces to be very compact, but can...

Briefs : Software
Technique Reverse-Engineers Complex 3D CAD Models

Nearly all commercial products start as a CAD file — a 2D or 3D model with the product’s design specifications. One method that’s widely used to represent today’s 3D models is...

Briefs : Electronics & Computers
Singlet-Based Magnet for Enhanced Data Storage

Anew type of magnet — called a singlet-based magnet — was discovered that differs from conventional magnets in which small magnetic constituents align with one another to create a strong...

Q&A : Communications
Q&A: Dr. Mahmooda Sultana, Multifunctional Sensor Researcher/Engineer at NASA Goddard

Dr. Sultana won funding to advance a nanomaterial-based detector platform that can sense environmental parameters from minute concentrations of target gases and vapors, to atmospheric pressure and temperature, and then transmit that data via a wireless antenna...

Briefs : Test & Measurement
S-Curve Time-of-Flight Mass Spectrometer

Time-of flight mass spectrometers are commonly used in analytical chemistry and many other applications. They contain a region where ions travel toward a detector. A new geometry was developed that...

Articles : Manufacturing & Prototyping
Changing the Automation Conversation

With advancements in manufacturing processes and materials, components in many industries are more precise with a new level of complex shapes. There is significant demand to create parts and assemblies...

Briefs : Manufacturing & Prototyping
Method Shrinks Objects to the Nanoscale

Existing techniques for creating nano-structures are limited in what they can accomplish. Etching patterns onto a surface with light can produce 2D nano-structures but doesn’t work for 3D structures....

Briefs : Photonics/Optics
Coating Prevents Fogging on Transparent Surfaces

Anyone who skis, wears glasses, uses a camera, or drives a car is familiar with the problem: Coming into a humid environment from the cold causes eyewear, camera lenses, or windshields to...

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