Keyword: Test & Measurement

Test & Measurement

Briefs: Aerospace

The photovoltaic community is closer than ever to achieving ultra-high multijunction solar cell efficiencies (>50%). Subcells from III–V compound semiconductors are approaching ideal...

Briefs: Test & Measurement

Operating lasers at cryogenic temperatures gained maturity only in the mid-90s due mostly to the progress in transparent, laser-grade ceramics and...

INSIDER: Test & Measurement

Two NASA experiments designed to help reduce fuel consumption and emissions will fly this spring on a specially outfitted Boeing 757 airplane called the ecoDemonstrator. One includes 31 small devices that...

INSIDER: Mechanical & Fluid Systems

The Explosive Destruction System (EDS), designed by Sandia National Laboratories for the U.S. Army, has begun safely destroying stockpile chemical munitions.

Briefs: Defense
Selective, Sensitive, and Robust Electrochemical Detection of Anthrax

There exists an unmet need for rapid, sensitive, and field-stable assays for pathogen detection. Bacillus anthracis is the causative agent of anthrax poisoning. This Gram-positive bacterium secretes a tripartite toxin including a cell-binding protective antigen (PA), and the...

Briefs: Defense

Microelectromechanical system (MEMS) three-axis acceleration threshold sensors have been developed to measure acceleration threshold levels using voltage switching when...

Briefs: Test & Measurement

Suspicious powder incidents continue to be a disruptive and costly problem. In-situ assessment of suspicious powders within inorganic matrices, particularly with powders of...

Briefs: Test & Measurement
Isotope Beta-Battery Approaches for Long-Lived Sensors

The energy density of isotopes exceeds that of chemical energy storage by six orders of magnitude. Isotopes are used in many commercial applications, and are produced and available at modest prices. The power requirements of many sensors and communications equipment can greatly reduce the...

Products: Manufacturing & Prototyping

Precision Filters Inc. (Ithaca, NY) has introduced a new family of signal conditioning modules for measurement systems built on National Instruments™ rugged, compact, low power cRIO™ platform. The four analog...

INSIDER: Sensors/Data Acquisition

A system for using sound waves to spot potentially dangerous cracks in pipes, aircraft engines, and nuclear power plants has been developed by a University of Strathclyde researcher. A study...

Articles: Defense

Aerospace and defense platforms are often regarded as the earliest adopters of new materials and processes technologies. Materials test programs provide validations of...

Articles: Aerospace

The universal adoption of digital 3-D design tools has truly changed forever the way that advanced products are created, from original concept studies, development, testing, and...

Briefs: Defense

Improvised Explosive Devices (IEDs) pose a significant threat to military ground vehicles and soldiers in the field. Full-system...

Briefs: Aerospace

High-fidelity simulation tools are used as an acceptable surrogate for real-world tests. These tools accelerate development and reduce cost, while informing weapons...

INSIDER: Aerospace

A consortium is working on a project to maximize energy harvesting on a spacecraft of the future. The initiative seeks to find energy-saving and -maximizing solutions to enable...

News: Test & Measurement

Wichita State University’s National Institute for Aviation Research recently opened a new ballistics and impact dynamics research lab in the former Britt Brown Arena at the Kansas...

INSIDER: Test & Measurement

Nine Delta Air Lines commercial aircraft flying regular routes are carrying sensors that monitor their structural health along with their routine maintenance. These flight tests...

INSIDER: Test & Measurement

Researchers have engineered a high-precision modular inspection system that can be adapted on a customer-specific basis and integrated into the production process. Before a...

INSIDER: Robotics, Automation & Control

NASA has selected three winning designs solicited to address the technological limitations of the uncrewed aerial systems (UAS) currently used to track and collect data on hurricanes....

INSIDER: Software

Two of Georgia Tech's software-defined, electronically reconfigurable Agile Aperture Antennas (A3) were demonstrated in an aircraft during flight tests. The low-power...

INSIDER: Test & Measurement

A new mobile assistant is being developed to support technicians in the airplane manufacturing industry when applying sealant, measuring, and testing — without putting them at risk. In...

Articles: Aerospace
Many small unmanned aerial vehicles (SUAVs) are driven by small-scale fixed-blade propellers, and the flow produced by the propeller can have a significant impact on the aerodynamics of the...
Articles: Aerospace
With the implementation of major aircraft structures fabricated from carbon fiber reinforced plastic materials, lightning protection has become a more complicated...
Briefs: Medical

Medical devices are designed to function in environmentally controlled locations, such as stationary hospitals, and not within the harsh, dynamic aircraft environment. Yet, the same medical devices...

Products: Test & Measurement

The 2500B series of microwave signal generators from Giga-tronics (San Ramon, CA) covers 100 kHz to 50 GHz with low phase noise, high rejection of harmonics, sub-harmonics, and spurious, high output power level....

Briefs: Test & Measurement

Progress has been made in research on several fronts in an effort to develop computational simulation capabilities for use in virtual design and testing of advanced structural materials. It...

Briefs: Electronics & Computers

Life tests have demonstrated the longevity of an electrostatically actuated capacitive switch of a microelectromechanical systems (MEMS) type suitable for handling radio signals having...

Briefs: Test & Measurement

Amethod and apparatus have been conceived for using electrochemical impedance spectroscopy (EIS) for determining rates of corrosion of coupled metals. EIS has been used heretofore for...

Briefs: Physical Sciences

A program of research has addressed a methodology of scaling of flight tests of unmanned air vehicles (UAVs) intended primarily for military use in observing and/or attacking targets on the...

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Articles: Test & Measurement

Testing Modern Radios