News: Test & Measurement
Researchers at the Fraunhofer Institute for Physical Measurement Techniques IPM in Germany have developed an optical inspection system called WIRE-AOI that can detect...
News: Test & Measurement
New analyses of NASA airborne radar data collected in 2012 reveal that radar detected indications of a huge sinkhole before it collapsed and forced evacuations in Louisiana that year. The...
News: Test & Measurement
NASA Model Provides 3-D View of L.A. Earthquake
On March 28, residents of Greater Los Angeles experienced the largest earthquake to strike the region since 2008. The magnitude 5.1 quake was centered near La Habra in northwestern Orange County about 21 miles (33 kilometers) east-southeast of Los Angeles, and was widely felt throughout Southern...
News: Medical
It can cost hundreds of dollars and days to scan biological materials for important biomarkers that signal diseases such as diabetes or cancer using industry standard equipment. Researchers face...
Articles: Test & Measurement
Have you ever felt nauseous reading a book in the back seat of a car? Did you ever wake up from a deep sleep feeling disoriented? Momentary incidents like these happen when the sensory systems that...
Application Briefs: Test & Measurement
The water landing of a craft like the Orion Crew Module is a very complex and changeable event, subject to the dynamics of the vehicle’s structure and sub-structures, such...
INSIDER: Test & Measurement
When power switches or lightning create high voltage currents, power companies view it as a problem. These so-called natural transients have the power to destroy components and cause...
INSIDER: Nanotechnology
A simple, cheap, paper test has been developed that could improve cancer diagnosis rates and help people get treated earlier. The diagnostic, which works much like a pregnancy test, could reveal...
INSIDER: Test & Measurement
Following two consecutive years of drought conditions, 2014 is shaping up to be one of the driest years on record in California. Since 1982, the California Department of Water Resources...
Briefs: Physical Sciences
An ultrasonic intake airflow meter for engine testbed applications was developed. An automotive intake airflow meter must fulfill a series of requirements differentiating it from typical...
Briefs: Test & Measurement
Rapid Infrared Pixel Grating Response Testbed
A test array has been developed to measure the response of pixel-integrated infrared gratings over a wavelength range from 3 to 13 μm for multiple grating geometries. This array allows for testing and for determining the performance of an infrared focal plane array camera before resources have been...
Briefs: Test & Measurement
JWST Integrated Simulation and Test (JIST) Core
The James Webb Space Telescope (JWST) Integrated Simulation and Test (JIST) environment is a software-only system simulator that provides an environment to exercise JWST flight software subsystems and interfaces. JIST is capable of executing the unmodified flight software binaries in an operational...
Briefs: Test & Measurement
JWST IV&V Simulation and Test (JIST) Solid State Recorder (SSR) Simulator
As described in “JWST Integrated Simulation and Test (JIST) Core” (GSC-16739-1) on page 25, the JIST system is a software-based simulator that uses the James Webb Space Telescope (JWST) operational ground system, ground system command/telemetry databases, simulated...
Briefs: Test & Measurement
Temperature Measurement and Stabilization in a Birefringent Whispering Gallery Resonator
Whispering gallery mode (WGM) res- onators have been suggested for use as reference cavities for laser stabilization. Because of their unique properties (small size, high stability, narrow line width), such application appears to hold great promise. It is...
Briefs: Test & Measurement
Automation in Display Testing
Display devices play a vital role as the man-machine interface in most embedded domains. Display systems provide information regarding the health of safety-critical subsystems and the general status of the machine. Accuracy and precision of the information displayed is a key factor in proper machine operation....
Application Briefs: Test & Measurement
NASA has contracted ADC USA to design and build an Experimental Test Range (ETR) Positioning System that consists of positioning components for a state-of-the-art Radar Cross Section (RCS)...
Articles: Manufacturing & Prototyping
Whether you wanted to know how certain insulation would work on a Mars-bound spacecraft or on an Earth-based refrigerator, you would want to test its performance in the...
Briefs: Test & Measurement
Fast, High-Precision Readout Circuit for Detector Arrays
The GEO-CAPE mission described in NASA’s Earth Science and Applications Decadal Survey requires high spatial, temporal, and spectral resolution measurements to monitor and characterize the rapidly changing chemistry of the troposphere over North and South Americas. High-frame-rate focal...
Briefs: Physical Sciences
A System for Measuring the Sway of the Vehicle Assembly Building
A system was developed to measure the sway of the Vehicle Assembly Building (VAB) at Kennedy Space Center. This system was installed in the VAB and gathered more than one total year of data. The building movement was correlated with measurements provided by three wind towers in...
Briefs: Information Technology
Permanent magnet machines are used in many industrial applications because of their ability to produce high power densities. The market for such machines has been...
Briefs: Physical Sciences
ISS Ammonia Leak Detection Through X-Ray Fluorescence
Ammonia leaks are a significant concern for the International Space Station (ISS). The ISS has external transport lines that direct liquid ammonia to radiator panels where the ammonia is cooled and then brought back to thermal control units. These transport lines and radiator panels are...
Briefs: Test & Measurement
Hydrometeor Size Distribution Measurements by Imaging the Attenuation of a Laser Spot
The optical extinction of a laser due to scattering of particles is a well-known phenomenon. In a laboratory environment, this physical principle is known as the Beer-Lambert law, and is often used to measure the concentration of scattering particles in a fluid...
Briefs: Test & Measurement
Testing of victim detection radars has traditionally used human subjects who volunteer to be buried in, or climb into a space within, a rubble pile. This is not only uncomfortable, but can be...
Application Briefs: Test & Measurement
MEI Technologies is part of the ARES Technical Services Corp. team performing work at NASA’s Johnson Space Center in Houston for the Multi-Purpose Crew Vehicle (MPCV) Program...
Application Briefs: Test & Measurement
As a step toward taking active global measurements from space, ITT Exelis and NASA Langley Research Center completed a flight campaign that calculated carbon dioxide over various surfaces...
INSIDER: Test & Measurement
Electrical engineers at Oregon State University have developed new technology to monitor medical vital signs, with sophisticated sensors so small and cheap they could fit onto a bandage,...
INSIDER: Test & Measurement
As of 2010, more than a third of all utility meters in the United States used wireless automatic meter reading (AMR) technology – 47 million in all. They make it a lot easier for the utility...
INSIDER: Test & Measurement
The two-story building on West Commercial Avenue in El Centro, Calif., was built in the 1920s and has withstood four major earthquakes in 1940, 1979, 1987 and 2010, but it may not be...
INSIDER Product: Test & Measurement
Global Test Solutions (Escondido, CA) has launched the DL Series electronic direct current (DC) loads from NF Corporation with high-speed feedback control. Fast response times eliminate the common problem of overshoot and...
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