Briefs : Software
Small-Body Dynamics Toolkit Version 5.0

The Small-Body Dynamics Toolkit (SBDT) v5.0 is a collection of primitive-body-specific trajectory design and analysis tools written in MATLAB®. The SBDT gives the user the capabilities to propagate, analyze, and visualize spacecraft trajectories and the dynamical environment near realistic asteroid,...

Briefs : Electronics & Computers
Sublimable Propellant Source for Iodine-Fed Ion Propulsion System

NASA Marshall has developed a system for generating iodine vapor from solid iodine for use as a propellant in a Hall or ion thruster propulsion system. Xenon has generally been the preferred propellant for these spacecraft ion propulsion systems but more recently, iodine-based...

Briefs : Electronics & Computers
Fuel Cell/Fuel Cell Hybrid System

Fuel cells can deliver clean, reliable, and uninterrupted power nearly 100 percent of the time. Fuel cells offer the advantage of efficiency by converting chemical energy directly to electricity. They have no moving parts, thereby eliminating failures associated with pumps, blowers, heat exchangers, and other...

The Create the Future Design Contest, launched in 2002 by the publishers of Tech Briefs magazine, helps stimulate and reward engineering innovation. The annual event has...

Briefs : Mechanical & Fluid Systems
Composite Advances Lignin as Renewable 3D Printing Material

Lignin is the material left over from the processing of biomass. It gives plants rigidity and also makes biomass resistant to being broken down into useful products. Researchers combined a melt-stable hardwood lignin with conventional plastic, a low-melting nylon, and carbon fiber to...

Briefs : Test & Measurement
Nanoscale Pillars Act as Memory Foam

A customizable nanomaterial was developed that combines metallic strength with a foam-like ability to compress and spring back. The material can store and release mechanical energy on the nanoscale, and...

Briefs : Propulsion
Effects of Reynolds and Mach Numbers in Large Eddy Simulation of Supersonic Round Jets

Rockets/landers arrive on the Moon with supersonic speed and impact lunar regolith. There is no reliable software to computationally simulate in an effective way the supersonic plumes escaping from these rockets/devices. A Large Eddy Simulation (LES) model and...

Most electronics only function within a certain temperature range but blending two organic materials together creates electronics that withstand extreme heat. The new plastic material could reliably conduct...

Briefs : Imaging
Optimal Computational Vision Pipeline (OCVP)

Optimal Computational Vision Pipeline (OCVP) software uses a novel algorithm that allows overlapping point clouds obtained from sensors with displaced position and orientation to be fused together in a common coordinate system with a rigorously linear solution for position and orientation parameters;...

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Spinoff is NASA's annual publication featuring successfully commercialized NASA technology. This commercialization has contributed to the development of products and services in...

Facility Focus : Test & Measurement
Facility Focus: Fermi National Accelerator Laboratory

Since 1967, Fermi National Accelerator Laboratory (Fermilab) has been the United States’ premier particle physics laboratory, working on the world's most advanced particle accelerators...

Briefs : Motion Control
Computer-Controlled Exercise Equipment

While a wide variety of computer-controlled exercise machines for training and rehabilitation exist — some of which can be automatically adjusted to vary resistance or incline — such systems provide for preprogrammed changes in load or resistance. What is needed is a system that overcomes the...

Products : Test & Measurement
Product of the Month: March 2019 Tech Briefs

Boothroyd Dewhurst, Wakefield, RI, announced Design for Manufacture and Assembly (DFMA®) 2019 software for analyzing parts and assemblies. DFMA utilizes a question-and-answer interface that...

Special Reports : Aerospace
Unmanned Systems - March 2019

The latest advances in aerial, ground, and underwater unmanned systems are covered in this special report, a compendium of recent articles from the editors of Tech Briefs and Aerospace & Defense Technology.

Special Reports : Transportation
Connected Commercial Vehicles - March 2019

Trucks and other commercial vehicles are becoming smarter and more connected, moving rapidly on the road to autonomy. To help you keep pace with the latest developments, we present this compendium of recent articles from the editors of Truck & Off-Highway Engineering and Autonomous Vehicle...

White Papers : Photonics/Optics
Performing Differential Noise Figure Measurements

In recent years, numerous improvements have been made in noise figure measurements through better algorithmic understanding of the measurements, more sensitive receivers, and less error-prone methods of processing noise power measurements. Anritsu has incorporated a number of these improvements...

With self-driving vehicles poised to take the road, how can today’s engineers prepare themselves to support an autonomous future?
White Papers : Design
Substrate Mastered Scale on a CMM

The thermal behavior of encoder scale is an important consideration when selecting any encoder system. Renishaw's scales are effectively either thermally independent of the substrate (floating) or thermally dependent on the substrate (mastered); depending on the scale thickness / material and mounting method....

Briefs : Software
Speedy Motor Modeling

Oak Ridge National Laboratory scientists have created open source software that scales up analysis of motor designs to run on the fastest computers available.

Briefs : Motion Control
Walking Robot Moves Without GPS

Ants are able to use polarized light and ultraviolet radiation to locate themselves in space. AntBot mimics this ability to explore its environment randomly and go home automatically, without GPS or...

Tesla uses batteries to store energy underneath the car seats. What if we could store energy everywhere on the vehicle?
White Papers : Medical
How to Prepare for FDA Migration to ISO 13485 and QSIT to MDSAP

The FDA plans to transition to standard ISO 13485:2016 for medical devices in April 2019. In addition, the Medical Device Single Audit Program, MDSAP, has gained traction with full implementation set for 2019.

Question of the Week : Test & Measurement
Will ‘Developable Mechanisms’ Solve Complex Tasks?

Brigham Young University engineers have created "developable mechanisms" that they hope to use in components like surgical instruments, adjustable airplane wings, robotic arms, or vehicle cylinders. Watch the demo on Tech Briefs TV, to see how the flat shapes can be converted into 3D...

News : Materials
Inside Story: Low Outgassing Adhesives from Master Bond

Master Bond (Hackensack, NJ) focuses on developing the best in epoxies, silicones, UV cures, and other specialty adhesive systems including compounds that have passed NASA low-outgassing specifications and exceed the ASTM E595 test requirements. These products are successfully employed in...

Graphene may play a greater role in tomorrow electronics, thanks to an achievement from the Technical University of Denmark.
White Papers : Medical
Pressure Mapping: Securing Superior Standards for Medical Devices

Technology to quantify interface pressure during the design or manufacturing process, or as an embedded application within the device itself, can be your key to the next great medical device innovation. This eBook shares how design engineers are using pressure mapping technology...

The SENT (Single Edge Nibble Transmission) bus continues to gain acceptance across the automotive industry and is widely used to transmit high-resolution readings from...

How do you regulate a system that, in effect, is learning as it goes?
Question of the Week : Test & Measurement
Would You Use Wearables to Monitor Your UV Exposure?

Our February issue of Tech Briefs highlights a technology called My Skin Track UV. The 12 x 6 mm wearable sensor can be attached to clothing or accessories to detect sunburn and overexposure to ultraviolet light.

Webcasts

On-Demand Webinars: Medical

Ethylene Oxide Sterilization: The Future State

Upcoming Webinars: Manufacturing & Prototyping

From Drudgery to the Effective Use of Design and Process FMEAs

Upcoming Webinars: Manufacturing & Prototyping

Heavy-Duty Engine Design for a Transitioning Market

Upcoming Webinars: Photonics/Optics

High-Powered Directed Energy Laser Projects: Destroy the Target,...

Upcoming Webinars: Photonics/Optics

Optical Coating Design

Upcoming Webinars: Manufacturing & Prototyping

Rapid Decompression and Sealed Containers: Why Choose Magnet...