Test & Measurement

Access our comprehensive library of technical briefs on test and measurement, from engineering experts at NASA and government, university, and commercial laboratories.

Researchers at KU Leuven have succeeded for the first time in measuring brain waves directly via a cochlear implant.
Briefs: Nanotechnology
A Better Way to Measure Acceleration
Researchers have developed a millimeter-thick accelerometer.
Applications include remote sensing, laser spectroscopy, and gas analysis.
The software could help reduce cost and waste for companies using additive manufacturing to mass-produce parts in factories.
Briefs: Test & Measurement
Mode I Fracture Testing Apparatus
The device uses load frames to test bonded structures in aerospace, automotive, defense, and energy storage applications.
Briefs: Aerospace
LogFire
The software automatically checks mission operations logs.
Briefs: RF & Microwave Electronics
Radar Enables Touch-Free Monitoring of Heart Sounds
Mobile radar devices could replace standard stethoscopes.
Briefs: Sensors/Data Acquisition
Smartphone-Based Medical Tests
A smartphone, combined with nanoscale porous silicon, enables inexpensive, simple, home diagnostics.
Thanks to its flexibility and adhesion, the biodegradable display can be worn directly on the hand.
The miniaturized detector mimics the process dogs use to detect cancer and other diseases by smell.
Briefs: Test & Measurement
Extreme Low-Frequency Hydrophone
Applications include monitoring of earthquakes and tsunamis as well as manmade infrasonic sources such as boats.
Briefs: Sensors/Data Acquisition
Chip Delivers COVID-19 Test Results on a Smartphone
Programmed magnetic nanobeads are used to detect the virus in 55 minutes or less.
Briefs: Sensors/Data Acquisition
Device Measures Toxic Lead in Minutes
The portable lab-on-a-chip detects many contaminants in water supplies.
Briefs: Mechanical & Fluid Systems
Cord Tension Measurement Device
Potential applications include parachutes, hot air balloons, weather balloons, blimps, sails, and parasails.
A flexible, free-standing THz sensor array images blind ends of irregularly shaped objects.
This affordable, scalable sensor could be a vital tool in the fight against air pollution and its associated health risks.
Briefs: Mechanical & Fluid Systems
Ultra-Sensitive Flow Microsensors
The sensors could be used in medical applications such as neuroscience and metabolism processes.
Briefs: Robotics, Automation & Control
RFID-Based Rotary Position Sensor

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...

Medical instruments equipped with a soft electronics system improve diagnostic and therapeutic interventions in minimally invasive surgeries.
Applications include spectroscopy and LiDAR.
Briefs: Imaging
Plenoptic Camera
This camera enables multi-spectral imaging for metrology.
Briefs: Test & Measurement
Smart Stent Detects Narrowing of Arteries
The stent monitors even subtle changes in the flow of blood through the artery.
Briefs: Test & Measurement
Optimal Information About the Invisible
Researcher are finding ways to estimate a target location when light gets deflected by a disordered structure.
Briefs: Electronics & Computers
Prototype Fuel Gauge for Orbit
The technology could continuously monitor fluid flow in pipes on the International Space Station and prevent satellites from colliding.
Equipment designers can simplify design efforts and adjust controller platforms as needed when they standardize on electronic input/output products.
The sensor monitors the oil circulation ratio in real time for heating, ventilation, air conditioning, and refrigeration systems.
Briefs: Test & Measurement
New Flexible and Highly Reliable Sensor
Real-time health monitoring and sensing abilities of robots require soft electronics, but a challenge of using such materials lies in their reliability.
A mathematical framework can help engineers make informed decisions about which sensors to use and where they must be positioned in aircraft and other machines.
The method could be key to designing more efficient batteries for specific uses such as electric cars and airplanes.

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