Keyword: Starters and starting

Briefs: Software

Nearly all commercial products start as a CAD file — a 2D or 3D model with the product’s design specifications. One method that’s widely used to represent today’s 3D models is...

Briefs: Materials
Ultra-Strong, Lightweight, Elastic, Electrically Conductive Carbon

The configuration of carbon's electrons allows for numerous self-bonding combinations that give rise to a range of materials with varying properties. For example, transparent, super-hard diamonds and opaque graphite, which is used for both pencils and industrial lubricant, are...

Briefs: Mechanical & Fluid Systems

Supercapacitors can store and deliver energy faster than conventional batteries. But to realize advanced applications, supercapacitors need better electrodes, which connect the...

NASA Spinoff: Test & Measurement

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

Briefs: Green Design & Manufacturing
KSC Weather Data Archive

The Spaceport Weather Data Archive provides a fully searchable database of weather data gathered at Kennedy Space Center (KSC) and the Cape Canaveral Air Force Station. Not only can the user easily retrieve data and download it, but the user can also view graphically the weather data on a map overlay. The data are...

Briefs: Photonics/Optics

How fast is an electron? Australian scientists were able to measure it. Australia's fastest camera, located at the Attosecond Science Facility, has revealed the time it takes for molecules to break apart. The...

Articles: Motion Control

Because ball screws are available in both inch and metric dimensions, designers sometimes begin the specification process by selecting a product family based on the unit of...

Articles: Photonics/Optics

As signal rates approach 50 Gb/s, bandwidth demand has outpaced conventional circuit boards. Engineers are now turning to PAM4 signaling rather than conventional NRZ as the most...

Briefs: Software
Custom Administration Reporting (gTracker)

A reporting tool was needed that could indicate the accuracy of search results by tracking the number of clicks required by users to find their desired search results. The application should also capture the number of times other links and like filtering components are clicked. The report should have...

Briefs: Materials
Electrically Conductive, Optically Transparent Polymer/Carbon Nanotube Composites

NASA's Langley Research Center researchers have developed a novel method for making carbon nanotubes that are very uniform in size. A template is used to guide the carbon nanotube growth so that all nanotubes are uniform in size. The carbon nanotubes can be used...

Briefs: Software
LTAS Source Slaving Selector (LS3) Analyzer

The objective of the Launch Trajectory Acquisition System (LTAS) Source Slaving Selector (LS3) Analyzer application is to convert recorded data files — which are generated by the LTAS Source Slaving Selector (LS3) application in binary format — to human-readable text files as per a variety of...

Briefs: Test & Measurement

NASA’s Goddard Space Flight Center has developed a high-precision electric gate (HPEG) time-of-flight (TOF) mass spectrometer to study the magnetosphere of Jupiter...

Briefs: Information Technology
Streams: A Hyper-Responsive Telemetry Interaction Tool on the Web

JPL Operations Engineers (Operators) need to interact with their telemetry to assess the health of and successfully operate a spacecraft or rover. Operators must analyze the immediate data for health and understand the current state of these complex systems, but they also must be...

Briefs: Materials

NASA’s Langley Research Center has developed a method to consolidate carbon nanotube yarns and woven sheets and graphene sheets via the dehydration of sucrose. The resulting...

Briefs: Information Technology
MBSE-Driven Systems Engineering Visualization Suite

There is a need to define the information architecture, ontologies, and patterns that drive the construction and architecture of Model-Based Systems Engineering (MBSE) models, but less clarity is given to the logical follow-on of that effort: how to practically leverage the resulting semantic...

Briefs: Manufacturing & Prototyping
Method to Improve the Synthesis Process of High-Purity Bulk Multi-Element Compounds

Multi-element compounds have been used ubiquitously in various applications, including electronics, optics, opto-electronics, thermoelectrics, superconductivity, and the recently developed application of spintronics. Besides being the main components of some of...

Briefs: Manufacturing & Prototyping
Laser Subdivision of the Genesis Concentrator Target Sample 60000

A need arose for approximately 1 cm2 of a diamond-like-carbon (DLC) concentrator target for the analysis of solar wind nitrogen isotopes. The original target was a circular quadrant with a radius of 3.1 cm; however, the piece did not survive intact when the spacecraft...

Briefs: Robotics, Automation & Control
Heading Versus Tilt Chart for Assessing HGA Occlusion and Flop Risk in MSL Operations

The Mars Science Laboratory (MSL) high-gain antenna (HGA) sits low on the deck, leaving the sky occluded in many directions by other parts of the rover. Each drive must end with the rover at a heading where the Earth will be unoccluded during the next HGA...

Briefs: Electronics & Computers
An Empirical Metric of Individual Datapoint Utility Given Ample Metadata as Applied to the OCO-2 Flight System

Traditionally, quality flags provided a binary yes/no estimation of a datapoint’s utility. However, in modern instrumentation, significant auxiliary information for each datapoint can be obtained. This permits prediction of more than...

Briefs: Materials
Surface-Modified Nanoparticles Made From High-Molecular-Weight Carboxylic Acids

An improved class of alumoxanes and a method of synthesizing them have been invented. Alumoxanes are aluminum oxy hydroxide particles that have been modified with compounds containing carboxylic acid groups. For typical applications in which alumoxanes are required...

Briefs: Information Technology
Development of Free Molecule Flow Equations from a Transient, Asymmetric Source

The analysis and simulation of gases expanding from sources such as rocket nozzles into vacuum, or the effects plumes from these sources create when they interact with solid surfaces, present a considerable challenge to the scientific and engineering communities. As...

Briefs: Motion Control

Voltage glitches are common in a signal chain path, especially when the system is being powered up or down. Depending on the peak amplitude and glitch duration, the end result in the system...

Briefs: Manufacturing & Prototyping
Fabrication of a Nanopipette Array for Biosensing

Development of biosensors is an active field due to a wide range of applications in lab-on-a-chip, diagnostics of infectious diseases, cancer diagnostics, environment monitoring, biodetection, and others. One of the strategies used for selective identification of a target is to preselect a probe...

Articles: Aerospace

At the annual meeting of the Society of Automotive Engineers (SAE) in Detroit on January 14, 1959, NASA’s first Administrator, Dr. T. Keith Glennan, said: “I can imagine a remote future when...

Briefs: Electronics & Computers
Technology-Independent RHBD Library Through Gate Array Approach

As semiconductor technology nodes scale down, the limitation on polysilicon pitch makes it almost impossible to shrink libraries built for previous technologies. To design a library for a new technology, all of the cells have to basically start from scratch. Starting over for each...

Articles: Robotics, Automation & Control

Contemporary industrial automation control systems are employing variable frequency drives (VFDs) in ever-increasing numbers. VFDs give control engineers...

Briefs: Information Technology
Design of Rate-Compatible Protograph LDPC Codes

The most common way to generate a rate-compatible family of codes is puncturing. In this method, one starts with a low-rate mother code and then selectively discards some of the coded bits to arrive at higher-rate codes. This approach is simple, but is not free of problems. Specifically, the mother...

Articles: Motion Control

Linear motion systems are found inside countless machines including precision laser cutting systems, laboratory automation equipment, semiconductor fabrication machines, CNC machines,...

Briefs: Information Technology
Non-Binary Protograph-Based LDPC Codes for Short Block Lengths

Short block codes are in demand by international space agencies for transmission of command and control data to spacecraft in the uplink channel. Codes that outperform currently used binary codes with the same block lengths and code rates are desirable. A design method constructs...