Articles: Sensors/Data Acquisition
This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.
Briefs: Test & Measurement
Radiology workers are regularly exposed to low doses of radiation when they obtain patient imagery such as X-rays. While protective gear largely keeps workers within a safe range of...
Briefs: Test & Measurement
Real-Time Ion Mobility Sensor System
A real-time ion mobility sensor developed to detect contaminants and explosives is reliable, sensitive, robust, and inexpensive. The technology improves sensitivity and reduces false alarms for threat agents, and can identify chemicals with a sensitivity of five parts per billion.
Briefs: Sensors/Data Acquisition
Polymer Nanofiber-Based Reversible Nano-Switch/Sensor Schottky Diode (nanoSSSD) Device
Innovators at NASA's Glenn Research Center have developed a unique nano-structure device that operates as a nano-switch/sensor for detecting toxic gases and ultraviolet (UV) radiation. Conventional microsensors are limited by their short life, high cost and...
Briefs: Test & Measurement
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...
Briefs: Materials
The Environmental Protection Agency has listed trinitrotoluene (TNT) as a possible carcinogen, and exposure to the material has been linked to disorders of the blood, such as anemia, and abnormal liver function,...
Briefs: Materials
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: Medical
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
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: Green Design & Manufacturing
Despite years of effort to stabilize proteins outside of their native environments, scientists have made limited progress in combining proteins with synthetic components like fibers without...
Briefs: Sensors/Data Acquisition
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: Test & Measurement
Innovative “lighthouse” detectors, which use a sweeping beam to pinpoint a radiation source in seconds, are reducing radiation exposure for workers and...
Briefs: Test & Measurement
It has been established opinion since the 1950s that organic crystals and liquid scintillators can work for detecting neutrons, but that plastics are not suitable for neutron detection. For...
Briefs: Test & Measurement
For emergencies involving radiation, decision-makers must have a means to swiftly assess the situation. Having analysis tools that can quickly and reliably make sense of radiation data is of the essence.
Briefs: Communications
Vanadium dioxide’s unique properties make it ideally suited for outperforming silicon and giving rise to a new generation of low-power electronic devices. This compound can...
Briefs: Sensors/Data Acquisition
For decades, mass spectrometers have offered a relatively fast and highly sensitive way to analyze and detect chemical compounds. But their bulky size has been a hindrance, limiting the in-field potential of the...
Briefs: Electronics & Computers
Novel Radiation Shielding Material for Dramatically Extending the Orbit Life of CubeSats
NASA Langley Research Center has developed an innovative radiation shield made by layering metal materials in the Z-shielding method. It is a new, low-cost, and easy-to-implement method to protect CubeSat electronic circuits from ionizing radiation found in...
Briefs: Manufacturing & Prototyping
This technology uses extracts produced from yeast transformed with a new anti-UV DNA construct to block ultraviolet (UV) radiation.
Briefs: RF & Microwave Electronics
NASA Glenn’s cup cylindrical waveguide antenna (CCWA) is a short backfire microwave antenna capable of simultaneously supporting the transmission or reception of two distinct signals having opposite...
Briefs: Mechanical & Fluid Systems
The Orangutank™ is a remote-controlled, tethered robotic platform for traveling from one pipe to another using a network of vertical pipes for support. It combines specialized robotic grippers to provide...
Briefs: Sensors/Data Acquisition
Panoramic irradiators are commonly used to disinfect and sterilize products such as medical supplies, cosmetic raw materials, food, food containers, and medical supplies. The irradiators...
Briefs: Photonics/Optics
Terahertz radiation — the band of the electromagnetic spectrum between microwaves and visible light — has promising applications in medical and industrial imaging and chemical...
Articles: Mechanical & Fluid Systems
As contemporary electronics embrace light weight, increasing efficiency, and high speed, each link of the manufacturing process also conforms to this philosophy, including printed...
Briefs: Electronics & Computers
Method of Fabricating Ultra-Short-Gate-Length Thin-Film Transistors Using Optical Lithography
The speed of thin-film transistors (TFTs) relates directly to their gate length, which must be kept as short as possible to lower electron transport time between electrodes, and improve its high-frequency response characteristics. Since current density...
Briefs: Manufacturing & Prototyping
Corrosion of structural materials is a serious problem for industrial and civil infrastructure worldwide, costing billions of dollars, and hampering gross domestic product. Corrosion also presents...
Briefs: Photonics/Optics
A new form of compact cooling technology developed for space astronomy could pave the way for use of advanced superconducting detectors for better cancer treatments, driverless...
Briefs: Imaging
Dual-Field-of-View Multiband Optics
Multi-spectral-band systems are steadily emerging as a desired feature in a camera system. Each spectral band offers different image characteristics. Shorter-wavelength spectral bands provide the potential for better resolution due to the smaller impact of diffraction on the size of the optics blur. This means...
Briefs: Test & Measurement
Measurement devices that can withstand the acid rains on Venus, radiation in space, and the heat of car engines are being developed to improve research in these extreme...
Briefs: Materials
Electromagnetic Metamaterial with Wide Angular and Broadband Spectral Absorption
Propagation in a waveguide requires proper termination of signals to prevent reflections from interfering with the desired circuit functionality. Conventional termination designs for a two-dimensional planar waveguide topology provide maximum signal suppression in...
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