Stories
61
0
14130
30
Tech Needs
Corrugate Reduction
An organization wants to use less corrugate in its shipping operations. Unique designs or processes must reduce the amount of corrugate material required, while maintaining the same level of protection for the products being shipped. Replacing corrugate with another material may be considered, but the replacement material will...
Who's Who: Aerospace
Neil Cheatwood is principal investigator of the Inflatable Reentry Vehicle Experiment (IRVE-3). In July, the IRVE-3 team tested an inflatable heat...
Podcasts
Dr. Neil Cheatwood, IRVE-3 Principal Investigator, NASA Langley Research Center, Hampton, VA
Neil Cheatwood is principal investigator of the Inflatable Reentry Vehicle Experiment (IRVE-3). In July, the IRVE-3 team tested an inflatable heat shield that protects spacecraft from extreme temperatures and hypersonic speeds when entering a planet's...
Briefs: Physical Sciences
Low-Power Architecture for an Optical Life Gas Analyzer
Analog and digital electronic control architecture has been combined with an operating methodology for an optical trace gas sensor platform that allows very low power consumption while providing four independent gas measurements in essentially real time, as well as a user interface and digital...
Briefs: Physical Sciences
Detection of Chemical Precursors of Explosives
Certain selected chemicals associated with terrorist activities are too unstable to be prepared in final form. These chemicals are often prepared as precursor components, to be combined at a time immediately preceding the detonation. One example is a liquid explosive, which usually requires an...
Briefs: Information Technology
Rugged, Portable, Real-Time Optical Gaseous Analyzer for Hydrogen Fluoride
Hydrogen fluoride (HF) is a primary evolved combustion product of fluorinated and perfluorinated hydrocarbons. HF is produced during combustion by the presence of impurities and hydrogen-containing polymers including polyimides. This effect is especially dangerous in closed...
Briefs: Physical Sciences
A Probabilistic Mass Estimation Algorithm for a Novel 7-Channel Capacitive Sample Verification Sensor
A document describes an algorithm created to estimate the mass placed on a sample verification sensor (SVS) designed for lunar or planetary robotic sample return missions. A novel SVS measures the capacitance between a rigid bottom plate and an...
Briefs: Physical Sciences
Detecting Methane From Leaking Pipelines and as Greenhouse Gas in the Atmosphere
Laser remote sensing measurements of trace gases from orbit can provide unprecedented information about important planetary science and answer critical questions about planetary atmospheres. Methane (CH4) is the second most important anthropogenically produced...
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
A three-frequency millimeter-wave feed horn was developed as part of an advanced component technology task that provides components necessary for higher-frequency radiometers to meet the...
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: Electronics & Computers
Inverted Three-Junction Tandem Thermophotovoltaic Modules
An InGaAs-based three-junction (3J) tandem thermophotovoltaic (TPV) cell has been investigated to utilize more of the blackbody spectrum (from a 1,100 °C general purpose heat source — GPHS) efficiently. The tandem consists of three vertically stacked subcells, a 0.74-eV InGaAs cell, a...
Briefs: Electronics & Computers
Capacitance Probe Resonator for Multichannel Electrometer
A multichannel electrometer voltmeter has been developed that employs a mechanical resonator with voltage-sensing capacitance-probe electrodes that enable high-impedance, high-voltage, radiation-hardened measurement of an Internal Electrostatic Discharge Monitor (IESDM) sensor. The IESDM is...
Briefs: Manufacturing & Prototyping
Fabrication of Single Crystal MgO Capsules
A method has been developed for machining MgO crystal blocks into forms for containing metallic and silicate liquids at temperatures up to 2,400 ºC, and pressures up to at least 320 kilobars. Possible custom shapes include tubes, rods, insulators, capsules, and guides. Key differences in this innovative...
Briefs: Manufacturing & Prototyping
Mars Aqueous Processing System
The goal of the Mars Aqueous Processing System (MAPS) is to establish a flexible process that generates multiple products that are useful for human habitation. Selectively extracting useful components into an aqueous solution, and then sequentially recovering individual constituents, can obtain a suite of refined or...
Briefs: Manufacturing & Prototyping
The NASA Human Space Flight program is interested in projects where humans, beyond low-Earth orbit (LEO), can make an important and unique contribution that cannot be reasonably...
Briefs: Materials
Bonding to aluminum can be a difficult task. Many engineers will search for a single and simple remedy in the form of a low-temperature adhesive for making structural joints without welding. A...
Briefs: Materials
Hybrid Filter Membrane
Cabin environmental control is an important issue for a successful Moon mission. Due to the unique environment of the Moon, lunar dust control is one of the main problems that significantly diminishes the air quality inside spacecraft cabins. Therefore, this innovation was motivated by NASA’s need to minimize the negative...
Briefs: Mechanical & Fluid Systems
The moball is envisioned to be a round, self-powered, and wind-driven multifunctioning sensor used in the Gone with the Wind ON-Mars (GOWON) [http://www.lpi.usra.edu/meetings/...
News: Sensors/Data Acquisition
Thumbtack-Sized Distance and Motion Sensor Serves as Pocket Radar
Today’s parking assistant systems enable drivers to safely park their cars even in the narrowest of gaps. Such sophisticated parking aids – as well as manufacturing robots – that require millimeter-precision control rely on precise all-around radar distance measurement....
News
Kingpin Design Helps Avoid Tractor-Trailer Jackknifing
Jackknifing is a major cause of devastation in a traffic accident involving tractor-trailer trucks. Researchers in Greece have now designed a device to prevent this often lethal action. The team’s sliding kingpin device allows the so-called kingpin junction between the front tractor and the...
News: Medical
Exoskeletal Device Advances Study of Mobility in Spinal Cord Injury
Kessler Foundation has released preliminary research findings from its clinical study of the wearable robotic exoskeletal device, Ekso, made by Ekso Bionics. Ekso has been undergoing clinical investigation in patients with spinal cord injury at Kessler since October 2011, when the...
News: Medical
Building Prosthetics for Injured Veterans
Professor Rick Neptune and his mechanical engineering students at the University of Texas at Austin demonstrate in this video how they're paving the way for more customized prosthetics and orthotic devices for injured soldiers.
News
Wearable Sensor System Creates Digital Map of an Environment
MIT researchers have built a wearable sensor system that automatically creates a digital map of the environment through which the wearer is moving. The prototype system is envisioned as a tool to help emergency responders coordinate disaster response.In experiments conducted on the MIT...
Question of the Week
Will Robots Work Directly with Humans?
In today's work environments, robots are often kept isolated from humans due to their massive weight and speed, traits that could possibly endanger humans in their vicinity. Many machines are kept either inside glass cages or behind laser-controlled light curtains. New robots, however, are being built with...
News
Record Precision in Radar Distance Measurements Achieved
Scientists at the Karlsruhe Institute of Technology (KIT) and Ruhr-Universität Bochum (RUB) have reached a record precision in radar distance measurements. With the help of a new radar system, an accuracy of one micrometer was achieved in joint measurements. The system is characterized by...
News
NASA Aircraft Helps Develop New Science Instruments
An ER-2 high-altitude research aircraft operating out of NASA's Wallops Flight Facility in Wallops Island, VA, will take part in the development of two future satellite instruments. The aircraft will fly test models of these instruments at altitudes greater than 60,000 feet to gather information...
News
“Traffic Light” Test Could Save Lives with Earlier Diagnosis of Liver Disease
A new “traffic light” test devised by Dr. Nick Sheron and colleagues at University of Southampton and Southampton General Hospital in the UK could be used in primary care to diagnose liver fibrosis and cirrhosis in high risk populations more easily than at...
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
Webcasts
On-Demand Webinars: Defense
Cooling a New Generation of Aerospace and Defense Embedded Computing...
Upcoming Webinars: Software
Beyond AI-Copy-Paste Engineering: Advanced AI-Integration Success...
Upcoming Webinars: Automotive
Battery Abuse Testing: Pushing to Failure
Upcoming Webinars: Power
A FREE Two-Day Event Dedicated to Connected Mobility
Upcoming Webinars: RF & Microwave Electronics
Choosing the Right N-Port Strategy: Multiport VNAs vs. Switch...

