Briefs: Manufacturing & Prototyping

While precise and fast, the down side to cutting with microsecond (ms) fiber lasers has been that the parts require a number of post-processing operations after they are cut, which add...

Briefs: Materials
Regenerable Trace-Contaminant Sorbent for the Primary Life Support System (PLSS)

The NASA objective of expanding the human experience into the far reaches of space requires the development of regenerable life support systems. This work addresses the development of a regenerable air-revitalization system for trace-contaminant (TC) removal for the...

Briefs: Materials
Lithium Fluoride as a Polysulfide Shuttle Inhibitor for Lithium Sulfur Chemistry

In a lithium sulfur cell, the reduction of sulfur to lithium sulfide is a critical series of reactions that provides a large theoretical capacity of 1,672 mAh/g sulfur. One of many challenges in this system is the solubility of generated lithium polysulfides during...

Briefs: Materials
Fibers of Aligned Single-Wall Carbon Nanotubes and Process for Making the Same

Single-wall carbon nanotubes (SWNTs) are fullerenes of closed-cage carbon molecules typically arranged in hexagons and pentagons. Commonly known as “buckytubes,” these cylindrical carbon structures have extraordinary properties, including high electrical and...

Briefs: Materials
Enhancing MRI Contrast by Geometrical Confinement of Small Imaging Agents Within Nanoporous Particles

Magnetic resonance imaging (MRI) has evolved into one of the most powerful, non-invasive diagnostic imaging techniques in medicine and biomedical research. The superior resolution and in-depth anatomical details provided by MRI are essential for...

Briefs: Electronics & Computers
NASA Flywheel for iPad

NASA Flywheel is an augmented reality application intended to highlight NASA Glenn’s research efforts in the area of flywheel energy storage systems. The app utilizes a printed optical target, available on the GRC Flywheel Program brochure and through the NASA Glenn Web portal, to present users with 3D views of flywheel...

Briefs: Electronics & Computers

A standard solar array is a flat panel configured of many individual solar cells, wired in series or parallel, depending on their junction configuration and material. Since...

Briefs: Electronics & Computers

Sensors have improved in terms of size, capability, and power consumption, but their deployment in remote areas is limited by battery power supplies. Using piezoelectric (PE) materials for energy...

Briefs: Information Technology
Tool for Turbine Engine Closed-loop Transient Analysis (TTECTrA)

The current steady-state performance-based system studies are not adequate to evaluate certain advanced technologies for the challenges associated with meeting the transient performance requirements without better definition and control of component operating margins. Additional...

Briefs: Information Technology
Wald Sequential Probability Ratio Test for Space Object Conjunction Assessment

When a maneuverable spacecraft confronts a potentially unsafe conjunction with another space object, its operators must decide whether to maneuver to mitigate the risk of a collision. Such decisions may not be straightforward, since the operators must balance their...

Briefs: Information Technology
Next Generation of 3DGRAPE: Flexible Framework for Hypersonic Navier-Stokes Shuttle Orbiter Meshes

The class of 3DGRAPE codes is designed to generate volume grids using iterative methods to solve the non-linear, nonhomogeneous, elliptic partial differential heat equation with heat sources. The solution to the heat equation develops...

Briefs: Software
Delay Tolerant Link State Routing MACHETE Model

This software models the Delay Tolerant Link State Routing protocol. It runs inside the QualNet network simulator, and allows injecting of external bundles when running in emulation mode. It leverages QualNet’s library of networking protocols and JPL’s CCSDS models.

Briefs: Information Technology
Extendable Uniform Remote Operations Planning Architecture (EUROPA) 2.1

The EUROPA planning system is a general-purpose, reusable, artificial intelligence software system for automatically generating plans for performing complex activities in parallel, in accordance with constraints on activities and their interactions. One part of the system...

Briefs: Software
Acoustic Emission Analysis Applet (AEAA) Software

Vendor software supplied with commercial acoustic emission equipment is incapable of performing the analysis required to characterize damage and make decisions on remaining life for NASA composite overwrapped pressure vessels (COPVs). The Acoustic Emission Analysis Applet (AEAA) software,...

Briefs: Information Technology
Software-Defined Beacon Receiver Implementation Using Frequency Estimation Algorithms

The objective of this work was to develop a robust, cost-effective receiver with maximum dynamic range to track the frequency and power variation of a beacon signal. The result was the development of a frequency estimation algorithm that yields a more accurate...

Briefs: Information Technology
CT-CURS: Computed Tomography Cylinder Data Unwrapping-Reslicing & Analysis,

The software for NASA’s Northstar Systems computed tomography (CT) and Picometrix Terahertz CT systems do not have the ability to unwrap and reslice cylindrical CT data to allow top-to-bottom, 2D sheet views of the data. Therefore, it is difficult to size flaws...

Briefs: Software
NTTS Search and Reporting

The NASA Technology Transfer System (NTTS) is a NASA-created technology transfer workflow management system, a schema-less database management system used to track the life-cycle of NASA inventions. It is built on XDB, a NASA homegrown XML database. Because of its schema-less approach to store data, NTTS can host a...

Products: Data Acquisition

Diversified Technical Systems, Seal Beach, CA, has introduced the SLICE Pro shock-hardened, megasample data acquisition system. The miniature SLICE data recorder can be mounted directly on the test article –...

Question of the Week
Will Hyperloops replace trains?

According to the Navigant Research firm, Hyperloop Transportation Technologies has made a deal with central California landowners to build the world's first Hyperloop. The 5-mile test track will be built along California's Interstate 5. The Hyperloop, brought up in 2014 by Tesla Motors CEO Elon Musk, would...

INSIDER: Test & Measurement
Visual Microphone Identifies Structural Defects

A new technique from Massachusetts Institute of Technology researchers estimates material properties of physical objects, such as stiffness and weight, from video.

INSIDER: Materials
Researchers Create Shape-Shifting Plastic

Researchers from Washington State University and the Department of Energy's Oak Ridge Laboratory have created a tunable shape-memory polymer. The shape-shifting plastic can “remember” its original shape and return to it after being deformed with heat or other forces.

Question of the Week: Lighting
Will iris detection become a mainstream smartphone feature?

This week's Question: The Fujitsu Arrows NX F-04G, a new smartphone set for release in Japan, comes with a built-in retinal scanner that can be used for a variety of different functions, including unlocking the device, accessing apps, and making mobile payments. A front-facing infrared...

INSIDER: Sensors/Data Acquisition

Micro actuators are needed for numerous applications, ranging from mobile and wearable devices, to minimally invasive medical devices. However, the limitations associated with their...

INSIDER: Mechanical & Fluid Systems

To the naked eye, buildings and bridges appear fixed in place, unmoved by forces like wind and rain. But in fact, these large structures do experience imperceptibly small vibrations...

News: Photonics/Optics

Researchers at the University of Houston have created an optical lens that can be placed on an inexpensive smartphone to amplify images by a magnitude of 120, all for just 3 cents a lens. The lens can...

News: Photonics/Optics

An ultrafast camera can acquire two-dimensional images at 100 billion frames per second, a speed capable of revealing light pulses and other phenomena previously too fast to be observed....

News: Sensors/Data Acquisition

Researchers at the Fraunhofer Institute for Factory Operation and Automation IFF have developed the Dermascanner full-body dermatological scanner to help doctors diagnose skin conditions. When...

INSIDER: Materials
New Nanomaterials Mimic Bird Feathers

Inspired by the way iridescent bird feathers play with light, UC San Diego scientists have created thin-film materials in a wide range of pure colors: red, orange, yellow, and green. The hues are determined by physical structure rather than pigments.

Question of the Week
Will robo-pets catch on?

This week's Question: In a study in Frontiers in Veterinary Science, Australian researcher Jean-Loup Raul predicts that robotic and virtual-reality pets will grow in popularity as urban populations expand. “It might sound surreal for us to have robotic or virtual pets, but it could be totally normal for the next...

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