Topic

Stories

0
24360
30
Briefs: Manufacturing & Prototyping
Low-Density Flexible Ablators
NASA has developed a class of low-density, flexible ablators that can be fabricated into heat shields capable of being packaged, stowed, and deployed in space. Several flexible versions have been developed by infiltrating a pyrolyzing silicone resin into flexible, low-density felts made of carbon, polymer, or ceramic...
Briefs: Manufacturing & Prototyping
Solar-Powered Carbon Dioxide Conversions with Thin-Film Devices
A nanomaterial thin-film device provides a low-cost, facile fabrication pathway to commercialize the technology to the sustainable energy market. Metal oxide thin films have been fabricated to a photoelectrochemical cell by solar energy. The prototype device uses both low energy cost...
Briefs: Manufacturing & Prototyping
Fiber metal laminates (FMLs) are multicomponent materials utilizing metals, fibers, and matrix resins. Tailoring their properties is readily achievable by varying one or more of these components....
Feature Image
Briefs: Manufacturing & Prototyping
Method to Produce Copper Nanowires for Interconnect Applications
Copper replaced aluminum nearly two decades ago as interconnect material in integrated circuit manufacturing due to its better electrical conductivity. The size of the interconnect wire has been steadily decreasing as Moore’s law has been progressing through various feature size...
Briefs: Information Technology
Web Application: Ground Hardware Management Tool
An integrated ground support equipment (GSE) tracking and management tool is designed for tracking and managing GSE data used in support of KSC/Ground Systems Development and Operations (GSDO) planning and launch campaigns. This software (the Ground Hardware Management Tool, GHMT) will be fully...
Briefs: Information Technology
About 2.5 seconds after the launch of STS-114, the first Return to Flight launch after the Columbia accident, a large bird struck the external tank and fell into the exhaust plume. While this particular bird strike did not...
Feature Image
Briefs: Information Technology
Fully Implicit Ablation and Thermal Analysis Program, Version 3 (FIAT v3)
FIAT v3 simulates one-dimensional thermal energy transport through a multilayer stack of thermal protection materials, bonding materials, metallic or composite structures, air gaps, and/or insulations. The outer surface encounters aerothermal heating from hypersonic flow, and...
Briefs: Information Technology
CFD Utility Software Library
Originating as the Aerodynamics Division Software Library of the 1980s and -90s, this software is a collection of more than 100 software applications, many of them for manipulating the grids and flow solutions associated with computational fluid dynamics (CFD). Underlying these applications are about 30 libraries...
Briefs: Photonics/Optics
Improved Detection of Kidney Stones Using S-mode Ultrasound
Ultrasound has been a useful tool in the detection of kidney stones. It is a low-cost solution that does not require ionizing radiation that would be harmful to vulnerable populations such as children and recurrent stone formers. However, it suffers from a broad range of sensitivity (78 to...
Briefs: Test & Measurement
Vector Network Analyzer Calibration for Quasi-Optical Dual Ports
It is desirable to measure the electromagnetic properties of devices and materials in the millimeter part of the spectrum. For guided wave-based devices and materials (waveguides, coaxial devices), a vector network analyzer (VNA) is an excellent tool for this purpose since it provides...
Briefs: Test & Measurement
The measurement of structural properties of materials at cryogenic temperatures is a daunting task. The measurement of thin films at low temperatures is...
Feature Image
Briefs: Test & Measurement
Estimation of Algae Growth Stage, Growth Rate, and Lipid Content
This invention provides a method using light of different wavelengths to estimate freshwater and marine algae growth stage and algae growth rates as well as lipid content in standard media. Light absorption by the algae is measured for a specified light intensity in each of two or...
Briefs: Test & Measurement
Isotopic Biomarkers for Rapid Assessment of Bone Mineral Balance in Biomedical Applications
Development of new treatments for metabolic bone disease, and evaluation of the effectiveness of existing therapies in individual patients, are severely hampered by the lack of any reliable tool for quickly measuring changes in bone mineral balance in...
Briefs: Test & Measurement
Optically Modulated Miniature Magnetometer
The optically modulated miniature magnetometer (OMMM) is intended to replace two separate instruments (each with their respective mass and power allotments) that are commonly needed together for scientific studies of magnetic fields — a triaxial fluxgate vector magnetometer and an optically pumped alkali...
Briefs: Medical
Medical Oxygen Concentrator for Microgravity Operation
Only ambient air and DC energy are required to operate the system. Supplemental oxygen delivery systems are vital to provide a critical life support respiratory function. Whether they are used for patients suffering from lung diseases or other illnesses, to astronauts donning an oxygen mask...
Briefs: Medical
Researchers at NASA’s Johnson Space Center, Houston, TX, in collaboration with General Motors and Oceaneering, designed a state-of-the-art, highly dexterous, humanoid robot, Robonaut 2 (R2), and sent...
Feature Image
Articles: Transportation
Extending the life cycle of products in the off-highway industry provides benefits to OEMs, purchasers, end users, and general society. Before Big Data technologies...
Feature Image
Briefs: Robotics, Automation & Control
Exoskeleton provides precise therapy while tracking data. A team of engineers at The University of Texas at Austin have developed a first-of-its kind, two-armed, robotic rehabilitation exoskeleton that,...
Feature Image
Briefs: Materials
Gold coating could reduce scarring. A team of scientists from Lawrence Livermore National Laboratory, Livermore, CA, working with other researchers at the University of California, Davis, say that...
Feature Image
Briefs: Medical
3D printed material features controllable surface textures. A team of mechanical engineers at Massachusetts Institute of Technology, has developed a way of making soft materials, using a 3D...
Feature Image
Briefs: Medical
Researchers at Rice University’s Laboratory for Nanophotonics (LANP) say they have uncovered a new way to make ultrasensitive conductivity measurements at optical frequencies on high-speed...
Feature Image
Briefs: Medical
Folded paper design inspired flexible electronics. Kirigami, the Japanese art of folding and paper cutting, has inspired a team of engineers at the University of Michigan, Ann Arbor, to create...
Feature Image
Articles: Energy
Diesel engines have found their way into most heavy-duty applications in the stationary, construction, industrial, and agriculture industries. They have a high power density and can easily operate on a...
Feature Image
R&D: Robotics, Automation & Control
Engineers Put New Spin on Spider Silk
Researchers at the Massachusetts Institute of Technology have produced samples of strong, resilient spider silk. The spun samples could lead to a variety of biomedical materials, including sutures and scaffolding for organ replacements.
From the Editor: Regulations/Standards
Keeping Up with the FDA
In mid-July, the House of Representatives passed HR 6, also known as the 21st Century Cures Act, which expedites research and development on debilitating diseases and makes it easier to get important treatments to the patients who need them. Among other things, it makes research collaborations easier, reforms and streamlines...
Features: Materials
Silicone, a highly versatile synthetic polymer, seems to show up everywhere from cooking utensils and adhesives to sealants and cosmetics. Its unique properties have contributed to...
Feature Image
Features: Materials
Most orthopedic implant manufacturers still rely heavily on traditional coatings for their implants, such as sintered bead and plasma-sprayed metallic and hydroxyapatite (HA) coatings. These...
Feature Image
Global Innovations: Medical
Chalmers University of Technology, Göteborg, Sweden www.desyre.eu Three years ago, the DeSyRe (on-Demand System Reliability) project was begun with the goal of enabling extremely reliable medical devices....
Feature Image

Ask the Expert

Ralph Bright on the Power of Power Cords
Feature Image

Understanding power system components and how to connect them correctly is critical to meeting regulatory requirements and designing successful electrical products for worldwide markets. Interpower’s Ralph Bright defines these requirements and explains how to know which cord to select for your application.

Inside Story

Inside Story: Trends in Packaging and Sterilization
Feature Image

Eurofins Medical Device Testing (MDT) provides a full scope of testing services. In this interview, Eurofins’ experts, Sunny Modi, PhD, Director of Package Testing; and Elizabeth Sydnor, Director of Microbiology; answer common questions on medical device packaging and sterilization.