Keyword: Off-board energy sources

Articles: Photonics/Optics

On August 6th, 2012 the automatic Mars Science Laboratory rover named Curiosity landed on Mars. One of the scientific instruments on board is ChemCam, which has a pulsed laser capable of ablating...

Briefs: Physical Sciences
A Tracking Sun Photometer Without Moving Parts

This innovation is small, lightweight, and consumes very little electricity as it measures the solar energy attenuated by gases and aerosol particles in the atmosphere. A Sun photometer is commonly used on the Earth’s surface, as well as on aircraft, to determine the solar energy attenuated by...

Briefs: Mechanical & Fluid Systems
Concept for Hydrogen-Impregnated Nanofiber/Photovoltaic Cargo Stowage System

A stowage system was conceived that consists of collapsible, reconfigurable stowage bags, rigid polyethylene or metal inserts, stainless-steel hooks, flexible photovoltaic materials, and webbing curtains that provide power generation, thermal stabilization, impact...

Briefs: Manufacturing & Prototyping

The Flexible Array Concentrator Technology (FACT) is a lightweight, high-performance reflective concentrator blanket assembly that can be used on flexible solar array blankets. The FACT concentrator replaces every...

Articles: Manufacturing & Prototyping
LumEN: Luminescent Solar Concentrators for Sustainable, On-Demand Electricity Production Gianmarco Griffini, Massimo Micocci, and Francesca Ostuzzi,
Politecnico di...
Briefs: Lighting

A new versatile measurement system devised by researchers at the National Institute of Standards and Technology (NIST) accurately and quickly measures the electric power...

Briefs: Lighting

Today's light-emitting diode light bulbs have a slight environmental edge over compact fluorescent lamps, and that gap is expected to grow significantly as technology and...

Briefs: Information Technology
Monitoring of International Space Station Telemetry Using Shewhart Control Charts

Shewhart control charts have been established as an expedient method for analyzing dynamic, trending data in order to identify anomalous subsystem performance as soon as such performance would exceed a statistically established baseline. Additionally, this leading...

Briefs: Information Technology

The avionics system software for human-rated launch vehicles requires an implementation approach that is robust to failures, especially the failure of sensors used to monitor...

Briefs: Electronics & Computers
Online Cable Tester and Rerouter

Hardware and algorithms have been developed to transfer electrical power and data connectivity safely, efficiently, and automatically from an identified damaged/defective wire in a cable to an alternate wire path. The combination of online cable testing capabilities, along with intelligent signal rerouting...

Briefs: Physical Sciences
Low-Gain Circularly Polarized Antenna With Torus-Shaped Pattern

The Juno mission to Jupiter requires an antenna with a torus-shaped antenna pattern with approximately 6 dBic gain and circular polarization over the Deep Space Network (DSN) 7-GHz transmit frequency and the 8-GHz receive frequency. Given the large distances that accumulate en-route...

Briefs: Mechanical & Fluid Systems

Actuators are critical to all the robotic and manipulation mechanisms that are used in current and future NASA missions, and are also needed for many other industrial, aeronautical, and space...

Articles: Aerospace

NASA Tech Briefs recently spoke with Doug McCuistion, Director of the Mars Exploration Program, and Michael Meyer, lead scientist for the Mars Exploration Program and Program Scientist for the Mars Science Laboratory (MSL). We...

Briefs: Mechanical & Fluid Systems

Actuators are critical to all the robotic and manipulation mechanisms that are used in current and future NASA missions, and are also needed for many other industrial, aeronautical, and space...

Briefs: Mechanical & Fluid Systems

Future lunar landers and rovers will require variable thermal links that allow for heat rejection during the lunar daytime and passively prevent heat rejection during the...

Briefs: Physical Sciences

Highvoltage.dk is a Danish consulting engineering firm with expertise in lightning protection and high-voltage engineering. The company, founded in 2005, tackles...

Articles: Photonics/Optics

Laser diodes are very sensitive to electrostatic discharge (ESD), current/ voltage transients, and temperature changes, and extra care must be taken to ensure the laser...

Briefs: Physical Sciences

If remote sensors are to be autonomous and report their data in real time, they must have a reliable power source and a stable Ethernet connection. The United States Geological Survey (USGS),...

Research News: Lighting

Ateam of physicists headed by Dr. Vinod M. Menon, who is a member of The City University of New York Photonics Initiative and teaches at Queens College, has discovered...

Application Briefs: Lighting

Las Vegas is best known for the bright lights of ‘The Strip’ but thanks to new LED fixtures from GE Lighting, the city’s surrounding streets are starting to take on a...

Articles: Energy

Today there are multiple devices available for harnessing solar energy. Each device offers a different set of characteristics. Wafer-based devices consist of mono or...

Application Briefs: Materials

A high-performance thin-film product created specifically for NASA’s Jet Propulsion Laboratory in Pasadena, CA, is being used to ensure the electrical currents from the Mars Rover Curiosity’s...

Briefs: Photonics/Optics
Development of Thermal Infrared Sensor To Supplement Operational Land Imager

The thermal infrared sensor (TIRS) is a quantum well infrared photodetector (QWIP)-based instrument intended to supplement the Operational Land Imager (OLI) for the Landsat Data Continuity Mission (LDCM). The TIRS instrument is a far-infrared imager operating in the...

Research News: Lighting

LEDs seem to reach a point where more electricity no longer imparts the same kick and productivity levels off. A team of researchers from California and Japan has devised...

Briefs: Medical

Dramatic improvements have been made in NASA’s Whole Blood Staining Device (WBSD) since it was last described in “Whole-Blood- Staining Device,” (MSC-22614) NASA Tech Briefs, Vol. 23, No. 10...

Briefs: Lighting

Nanowires — microscopic fibers that can be “grown” in a lab — have a variety of potential applications, including LEDs and sensors. A team of MIT researchers...

Briefs: Materials
Materials That Enhance Efficiency and Radiation Resistance of Solar Cells

A thin layer (≈10 microns) of a novel “transparent” fluorescent material is applied to existing solar cells or modules to effectively block and convert UV light, or other lower solar response waveband of solar radiation, to visible or IR light that can be more...

Articles: Lighting Technology

LED, semiconductor, and package designers use complex thermal analysis software to analyze their products, but the analysis is only as good as the data provided. Reliable clarification of heat data upstream and downstream...

Briefs: Lighting

It was not too long ago that basic science lectures began with the three forms of matter: gases, liquids and solids—and somewhere along the line plasmas were occasionally added to the list. But to be precise, a plasma...

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