Sensors & Test

Test & Measurement

Learn what's trending in test, measurement, and monitoring technologies. Explore the latest products, applications, and technical briefs covering advanced measuring instruments, monitoring systems, devices, and instrumentation.

Optical fibers have been traditionally produced by making a cylindrical object called a preform — essentially, a scaled-up model of the fiber — and then heating it. Softened...

Briefs: Manufacturing & Prototyping
Hybrid Silicone-Fabric Sensor for Wearable Robots

Wearable technologies are exploding in popularity in both the consumer and research spaces, but most of the electronic sensors that detect and transmit data from wearables are made of hard,...

Is there more to the "Internet of Medical Things" than just data gathering? A reader asks our experts.

It’s common, especially in the aerospace industry, for parts that are fracture critical to be Liquid Penetrant Inspected (LPI) prior to installation. Also known as Dye Penetrant...

NASA's Lindley Johnson explains how the exciting business of asteroid detection does have its moments that are “like any other office job.”
Podcasts: Sensors/Data Acquisition
Here's an Idea: Vibration Communication
The haptics field is wide open, and researchers are finding new and exciting ways to send a message through touch.
A NASA researcher spoke with Tech Briefs about the importance of the Curiosity rover's latest find on Mars.
News: Test & Measurement
Air Quality Sleuths: Salt Lake's Light Rail Trains

The light rail network in the Salt Lake City area already does a lot to improve air quality. Its three lines move more than 67,000 people a day along 45 miles of track, saving countless car trips and sparing the air tons upon tons of petroleum-powered pollutants.

News: Robotics, Automation & Control
Fleet of Aerial, Surface, and Underwater Robots Map Ocean Front

Using multiple autonomous vehicles simultaneously, an interdisciplinary team of scientists and engineers returns to the U.S. after exploring the North Pacific Subtropical front – a sharp boundary where cold fresh waters from the north meet warm salty waters from the south. The...

If you want to get the greatest benefit from a beam of light—whether to detect a distant planet or to remedy an aberration in the human eye—you need to be able to measure it. Well, a...

A device and method have been developed to conduct compression and tensile tests on soft materials such as flocculated sediments, biopolymers, biological materials, and food stuffs. The device...

Briefs: Imaging
Microtesting Rig

The measurement of mechanical behavior in very small samples whose dimensions are on the order of microns and below can offer advantages over conventional macroscopic testing in many instances. Motivations for investigating...

The objective of this effort was to design, fabricate, integrate, and fly a nuclear thermal rocket without having to build massive ground test facilities. Furthermore, this nuclear rocket...

Briefs: Sensors/Data Acquisition
Device Detects Explosives, Drugs, or Lead

Warfighters and law enforcement personnel encounter many situations where they need to assess and determine if a situation is hostile or benign. Currently available field explosive detection kits are...

Application Briefs: Robotics, Automation & Control
NASA's Robotic Sniffer Finds Space Station Leak
Stanford Research Systems
Sunnyvale, CA
www.thinksrs.com

The Robotic External Leak Locator (RELL) — a collaboration between NASA's Johnson Space Center and Goddard Space Flight...

Briefs: Defense
Stray Energy Indicator for Pyrotechnic Applications

A compact and portable system is used to monitor and store real-time measurements of stray energy through a pyrotechnic firing circuit using infrared technology. The infrared sensor is mated to the NASA Standard Initiator simulator, and is calibrated such that the current input through the...

Briefs: Mechanical & Fluid Systems
Carbon Dioxide Collection and Pressurization Technology

Mars is the ultimate destination for NASA's human exploration program. In Situ Resource Utilization (ISRU) is a key technology required to enable such missions. The goals of using resources available at the exploration site are to reduce launch and delivered mass, reduce risk and cost,...

Application Briefs: Test & Measurement
Coating Erosion Tests Help Keep Mars 2020 Rover Safe
Air Force Research Laboratory (AFRL)
Wright-Patterson Air Force Base, OH
www.wpafb.af.mil/afrl

Mars rovers are sophisticated, multi-instrumented pieces of equipment that travel...

Briefs: Test & Measurement
Active Measurement Cancellation

A battery pack is only as strong as its weakest cell. As battery packs become larger and more integral to the stable operation of devices and systems, the need to monitor battery dependability and performance...

5 Ws: Test & Measurement
5 Ws of a Simple Nerve Gas Detector
Who

First responders, soldiers, and scientists in the field.

The ability to measure the electronic conductivity of battery film coatings is a pressing need in the battery industry; however, these measurements can...

The Department of Energy's Oak Ridge National Laboratory has developed a direct-current detector technology to help emergency responders safely detect high voltages, which they have...

Hybrid solutions that combine small photovoltaic (PV) panels with industrial grade rechargeable Lithium-ion (Li-ion) batteries provide long-term power for remote...

Application Briefs: Mechanical & Fluid Systems
How to Specify Intrinsically Safe Remote Monitoring Sensor Systems

Wireless sensor networks frequently operate in hazardous areas where explosive atmospheres pose a safety risk to equipment and operators. The design of these systems must...

When it comes to the “smell test,” the nose isn't always the best judge of food quality. Now in a study appearing in ACS’ journal Nano Letters, scientists...

Infrared spectroscopy is the benchmark method for detecting and analyzing organic compounds. However, that requires complicated procedures and large, expensive instruments, making...

Embedded Imaging Platforms

Critical Link LLC (Syracuse, NY) recently introduced an Embedded Vision Development Kit (VDK) that integrates Basler's dart BCON camera with...

A next-generation X-ray beamline now operating at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) brings together a unique set of capabilities to measure the...

Products: Manufacturing & Prototyping
Product of the Month: September 2018 Tech Briefs

Hexagon Manufacturing Intelligence, North Kingstown, RI, announced a new release of HxGN SMART Quality software that combines connectivity, statistical evaluation, and resource...

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