Safety

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Briefs: Materials
Real-time terahertz imaging with a single-pixel detector.
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Briefs: Sensors/Data Acquisition
Imaging technology used to map the universe shows promise for more accurately and quickly identifying cancer cells in the operating room.
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Briefs: Materials
Polymer Composite for Radiation Shielding
The polymer composite could replace conventional radiation shielding materials such as lead.
Briefs: Imaging
This method detects power line faults using a drone.
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Briefs: Test & Measurement
This instrument has applications in medical equipment, robotics, and satellites.
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Briefs: Photonics/Optics
The nonlinear camera captures high-resolution images of the interior of solid objects using terahertz (THz) radiation.
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Briefs: Photonics/Optics
Engineers have developed a new scanning technique inspired by the natural world that can detect corroding metals in oil and gas pipelines.
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Briefs: Photonics/Optics
This approach removes the limitation on peak power densities that exists for fiber lasers.
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Briefs: Aerospace
Graphene Field Effect Transistors for Radiation Detection (GFET-RS)
NASA Goddard Space Flight Center developed novel transistor technology based on a single graphene layer coupled to a radiation absorber substrate. Unlike conventional charge-sensing detectors, the GFET-RS utilizes the sensitive dependence of graphene conductance on local change of...
Briefs: Electronics & Computers
A portable, stable, standards-quality radiation thermometer was invented that can measure temperatures between -50 °C (-58 °F) to 150 °C (302 °F). The corresponding infrared wavelengths...
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Briefs: Data Acquisition
Today’s cellular networks and Wi-Fi systems rely on microwave radiation to carry data but the demand for more bandwidth is quickly becoming more than microwaves can handle. That has...
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Briefs: Electronics & Computers
The color of a material can often tell how it handles heat. With clothing, for example, the darker the pigment, the warmer you're likely to feel on a hot day. Likewise, the more...
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Briefs: Imaging
Autonomous vehicles relying on light-based image sensors often struggle to see through blinding conditions such as fog. Sub-terahertz wavelengths, which are between microwave and...
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Briefs: Energy
A system was developed that can remove radioactive cesium contamination from porous structures such as brick and concrete that are hard to clean, as well as contamination from metal...
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Briefs: Materials
Measurement Method for Radioactive Methane
Anew method for measuring radioactive methane is an optical one based on spectroscopy. Previously, radioactive methane has been measured with accelerator mass spectrometry involving expensive machines. Optical measuring could be a cheaper and more agile method.
Briefs: Test & Measurement
Technique Provides Rapid Assessment of Radiation Exposure
Researchers have developed a new technique that assesses radiation exposure in about an hour using an insulator material found in most modern electronics. The technique can be used to triage medical cases in the event of a radiological disaster.
Briefs: Sensors/Data Acquisition
Measurement Technique for Continuous-Wave, Modulated, and Pulsed Monochromatic Radiation
In many applications, such as remote sensing of atmospheric trace gases, monochromatic radiation with multiple discrete wavelengths is required. To date, there no instrument or technique that measures the wavelength jitters and fluctuations in real time.
Briefs: Sensors/Data Acquisition
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...
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Briefs: Semiconductors & ICs
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: Aerospace
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...
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Briefs: RF & Microwave Electronics
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 are...
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 number of...
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Briefs: Sensors/Data Acquisition
Innovative “lighthouse” detectors, which use a sweeping beam to pinpoint a radiation source in seconds, are reducing radiation exposure for workers and opening...
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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 years,...
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Briefs: Sensors/Data Acquisition
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.
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Briefs: Electronics & Computers
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 be...
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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 low...
Briefs: Medical
This technology uses extracts produced from yeast transformed with a new anti-UV DNA construct to block ultraviolet (UV) radiation.
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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 circular...
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