Stories
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Briefs: Mechanical & Fluid Systems
Optimized Radiator Geometries for Hot Lunar Thermal Environments
The optimum radiator configuration in hot lunar thermal environments is one in which the radiator is parallel to the ground and has no view to the hot lunar surface. However, typical spacecraft configurations have limited real estate available for top-mounted radiators, resulting in a...
Briefs: Mechanical & Fluid Systems
Future missions to Mars that would need a sophisticated lander, hopper, or rover could benefit from the REARM Arch i tecture. The mission concept REARM Architecture...
Briefs: Physical Sciences
Future sustainable energy generation technologies such as photovoltaic and wind farms require advanced energy storage systems on a massive scale to make the...
Briefs: Physical Sciences
Reliability of CCGA 1152 and CCGA 1272 Interconnect Packages for Extreme Thermal Environments
Ceramic column grid array (CCGA) packages have been increasing in use based on their advantages of high interconnect density, very good thermal and electrical performance, and compatibility with standard surface-mount packaging assembly processes. CCGA...
Briefs: Physical Sciences
Using a Blender to Assess the Microbial Density of Encapsulated Organisms
There are specific NASA requirementsfor source-specific encapsulated microbial density for encapsulated organisms in non-metallic materials. Projects such as the Mars Science Laboratory (MSL) that use large volumes of non-metallic materials of planetary protection concern...
Briefs: Software
Sasquatch Footprint Tool
The Crew Exploration Vehicle Parachute Assembly System (CPAS) is the parachute system for NASA’s Orion spacecraft. The test program consists of numerous drop tests, wherein a test article rigged with parachutes is extracted or released from an aircraft. During such tests, range safety is paramount, as is the...
Briefs: Software
Galactic Cosmic Ray Event- Based Risk Model (GERM) Code
This software describes the transport and energy deposition of the passage of galactic cosmic rays in astronaut tissues during space travel, or heavy ion beams in patients in cancer therapy. Space radiation risk is a probability distribution, and time-dependent biological events must be...
Briefs: Software
Multi-User Space Link Extension (SLE) System
The Multi-User Space (MUS) Link Extension system, a software and data system, provides Space Link Extension (SLE) users with three space data transfer services in timely, complete, and offline modes as applicable according to standards defined by the Consultative Committee for Space Data Systems (CCSDS)....
Briefs: Information Technology
Control Software for Piezo Stepping Actuators
A control system has been developed for the Space Interferometer Mission (SIM) piezo stepping actuator. Piezo stepping actuators are novel because they offer extreme dynamic range (centimeter stroke with nanometer resolution) with power, thermal, mass, and volume advantages over existing motorized...
Briefs: Information Technology
The reliability of a gas or steam turbine is strongly dependent on the structural design of its blades. In land-based power generation units, turbine blades are connected to the turbine disk by a...
Briefs: Information Technology
Mixed Integer Programming and Heuristic Scheduling for Space Communication
Optimal planning and scheduling for a communication network was created where the nodes within the network are communicating at the highest possible rates while meeting the mission requirements and operational constraints. The planning and scheduling problem was formulated...
Briefs: Information Technology
Video Altimeter and Obstruction Detector for an Aircraft
Video-based altimetric and obstructiondetection systems for aircraft have been partially developed. The hardware of a system of this type includes a downward-looking video camera, a video digitizer, a Global Positioning System receiver or other means of measuring the aircraft velocity...
News: Semiconductors & ICs
NASA Rocket Mission Will Predict Earth's Electrical Storms
A NASA-funded sounding rocket mission will launch from an atoll in the Pacific. The mission will help scientists better understand and predict the electrical storms in Earth's upper atmosphere. Storms interfere with satellite communication and global positioning signals.
Products
PEM® SpotFast® self-clinching fasteners from PennEngineering®, Danboro, PA, enable two sheets to be joined permanently in a flush-attachment connection without protrusions on either side. These...
Question of the Week
Will You Use a Mobile Device to Check Your Health?
A "Smartphone Physical" debuted at the TEDMED conference in
Washington D.C. this month. Using devices and attachments paired with an iPhone,
patients were able to measure and record their blood pressure, lung function, weight,
oxygen saturation, and eyesight. The technology, developed by...
News
New Technique Creates Stronger, Lightweight Magnesium Alloys
Researchers from North Carolina State University have developed a new technique for creating stronger, lightweight magnesium alloys that have potential structural applications in the automobile and aerospace industries.
News: Semiconductors & ICs
Researchers Measure Near-Field Behavior of Semiconductor Microparticles
Recent progress in the engineering of plasmonic structures has enabled new kinds of nanometer-scale optoelectronic devices as well as high-resolution optical sensing.
News
Students Engineer Robots to Wash High-Rise Windows
Rice University engineering students are working on better ways to keep skyscrapers shiny.The WashBOT team of seniors based at Rice’s Oshman Engineering Design Kitchen is part of a multiyear robotics project to automate the process of cleaning recessed windows in buildings that present problems...
News
NASA Sends Unmanned Aircraft to Study Volcanic Plume
Studying volcanos can be hazardous work, both for researchers and aircraft. To penetrate such dangerous airspace, unmanned aerial vehicles (UAVs), especially those with electric engines that ingest little contaminated air, are an emerging and effective way to gather crucial data about volcanic...
News
Thrusters Powered by Ionic Wind May Be Alternative to Conventional Propulsion
When a current passes between two electrodes — one thinner than the other — it creates wind in the air between. If enough voltage is applied, the resulting wind can produce a thrust without the help of motors or fuel. This phenomenon, called electrohydrodynamic...
News
NASA Engineers Test Placement of Webb Telescope Spectographic Instruments
The installation of equipment into the James Webb Space Telescope requires patience and precision. To prepare for the installation of the actual flight equipment and ensure perfection in the installations, scientists need to practice with an identical test unit. Scientists at...
News: Materials
Engineers Create Material for High-Performance 'Supercapacitor'
Taking a significant step toward improving the power delivery of systems ranging from urban electrical grids to regenerative braking in hybrid vehicles, researchers at the UCLA Henry Samueli School of Engineering and Applied Science have synthesized a material that shows high...
News
Global Mission Offers Rainfall Measurement from Space
The Global Precipitation Measurement mission, or GPM, provides the next generation of rainfall measurements from space. The mission is designed to tap into the observational power of nine independent satellites flying around Earth, and combine their precipitation data into a single, global data...
Question of the Week
Is Social Media a Valuable Healthcare Resource?
An increasing number of medical professionals are embracing social media for sharing helpful information and providing personalized patient care. HealthTap, one of the newest networks, for example, is an online hub of 1.2 million doctors who field questions from patients around the world. Some say...
News
Nanosponge Soaks Up Toxins Released by Bacterial Infections and Venom
A nanosponge invented by engineers at the University of California, San Diego can safely remove many dangerous toxins from the bloodstream, including those produced by MRSA, E. coli, poisonous snakes, and bees.
INSIDER: Materials
The same material that formed the first primitive transistors more than 60 years ago can be modified in a new way to advance future electronics, according to a new study. Chemists at...
INSIDER: Electronics & Computers
Researchers from the Georgia Institute of Technology have won a Defense Advanced Research Projects Agency (DARPA) contract to develop three- dimensional chip cooling technology able to...
INSIDER Product: Electronics & Computers
Tektronix, Inc. (Beaverton, OR) recently announced its new precision multi- phase power analyzer. Featuring the industry’s first Spiral Shunt™ design (patent application submitted), the Tektronix PA4000 power...
INSIDER Product: Electronics & Computers
iWatt Inc. (Campbell, CA) has expanded its PrimAccurate(TM) pulse width modulation (PWM) controller platform to include two new power adapter chipsets that offer the company’s fastest standby recovery. The iW1766 + iW628 and...
Top Stories
Blog: Sensors/Data Acquisition
Going for Gold in Winter Olympic Curling
Blog: Energy
Batteries that Can Withstand the Cold
Blog: Lighting
A Stretchable OLED that Can Maintain Most of Its Luminescence
INSIDER: Design
Advancing All-Solid-State Batteries
Blog: Data Acquisition
Blog: Materials
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Battery Abuse Testing: Pushing to Failure
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