Briefs : Sensors/Data Acquisition
Near-Zero-Power Temperature Sensor

A temperature sensor was developed that runs on 113 picowatts of power — about 10 billion times smaller than a Watt. The technology could enable devices that can be powered by harvesting energy from...

Briefs : Sensors/Data Acquisition
Positional Sensor Measures Rotational and Lateral Displacements

Positional sensors have applications where a very accurate measurement of position is needed over a limited range. One example of such an application is in manipulation of a...

Briefs : Sensors/Data Acquisition
Wireless Chemical Sensor and Sensing Method for Use Therewith

NASA Langley Research Center has developed a wireless, open-circuit SansEC (Sans Electrical Connections) sensor that can detect the presence of chemicals without being in contact...

Briefs : Sensors/Data Acquisition
Biodegradable Microsensors for Food Monitoring

Microsensors are used in many different applications such as the detection of poisonous gases. They are also integrated into miniaturized transmitter/receiver systems such as RFID chips. Since...

Briefs : Sensors/Data Acquisition
Multi-Layer Wireless Sensor Construct for Use at Electrically Conductive Material Surfaces

NASA's Langley Research Center has developed a SansEC Sensor technology for use with aerospace fuel delivery systems. The SansEC technology is a...

Briefs : Sensors/Data Acquisition
Integrated Ultra-Wideband Tracking and Carbon Dioxide Sensing System

Recent findings indicate that frequent, short-term crew exposure to elevated CO2 levels, combined with other physiological impacts of microgravity, may lead to a...

Briefs : Sensors/Data Acquisition
Passive In-Situ Gas and Chemical Sensor

In many chemical processes, it is often desirable to detect the presence, quantity, and/or qualities of certain chemicals of interest; for example, in many closed chemical processes (either batch or...

Briefs : Test & Measurement
Real-Time Airborne Particle Analyzer

Particle analysis is useful for determining chemical compositions in a wide range of disciplines, from ascertaining the source of a petroleum sample to duplicating a fragrance. The technique is appealing...

Briefs : Test & Measurement
Flexible Ultrasound Patch for Inspecting Damage in Odd-Shaped Structures

A limitation of today's ultrasound devices is that they are difficult to use on objects that don't have perfectly flat surfaces. Conventional ultrasound probes have...

Briefs : Test & Measurement
Simple, Accurate Method for Contact Angle Measurement

The wetting behavior of a liquid on a solid surface is a phenomenon of significant practical importance. The angle of liquid-to-solid contact is important in areas such as adhesion,...

Briefs : Test & Measurement
Nuclear Radiation-Detecting Device

A material was developed for nuclear radiation detection that could provide a significantly less expensive alternative to the detectors now in commercial use. Specifically, the high-performance material is...

Briefs : Test & Measurement
Constant-Pressure, High-Throughput Membrane Permeation Testing System

Membrane technologies have shown tremendous potential for a variety of separations, and new applications are constantly appearing. These new applications require exploration of materials, operational conditions, and membrane synthesis procedures, and demand accurate and timely...

Briefs : Test & Measurement
Correcting the Antenna Temperature of an Earth-Observing Microwave Instrument for Extraterrestrial Contamination

Microwave antennas deployed for spaceborne radiometers are diffraction-limited, with typical beam efficiency of about 90%, and provide relatively poor selectivity against radiation from celestial bodies (Moon, Sun, galaxy) when they...

Briefs : Test & Measurement
Sensor-Free Smart Wheel

Technology was developed that not only allows wheels to “know” when and how to rotate, but also enables them to work together in interactive teams. The new technology can be used wherever there is a need for...

Briefs : Sensors/Data Acquisition
Continuous Glucose Monitors (CGM), Proven Cost-Effective, Add to Quality of Life for Diabetics

Continuous glucose monitors (CGM) offer significant, daily benefits to people with type 1 diabetes, providing near-real time measurements of blood...

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