Tech Briefs

A comprehensive library of technical briefs from engineering experts at NASA and major government, university, and commercial laboratories covering all aspects of innovations in electronics, software, photonics, imaging, motion control, automation, sensors, test, materials, manufacturing, mechanical, and mechatronics.

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Briefs: Photonics/Optics
Researchers at NASA's Marshall Space Flight Center have devised a method for the creation of crystal-free non-oxide optical fiber preforms. Non-oxide fiber optics are extensively used in...
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Briefs: Sensors/Data Acquisition
Power Outlet Analyzes Electrical Current Usage
Electrical interruptions, or “nuisance trips,” occur when a detector installed behind the wall trips an outlet's electrical circuit when it senses something that could be an arc-fault — a potentially dangerous spark in the electric line. The problem with today's arc-fault detectors is that they...
Briefs: Automotive
Marine-grade stainless steel is valued for its performance under corrosive environments, and for its high ductility — the ability to bend without breaking under stress. But conventional techniques...
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Briefs: Materials
When Navy SEALs carry out dives in Arctic waters, or when rescue teams are diving under ice-covered rivers or ponds, the survival time even in the best wetsuits is very limited — as...
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Briefs: Electronics & Computers
Thermally Conductive Crystals Dissipate Electronics Heat
The inner workings of high-power electronic devices must remain cool to operate reliably. High internal temperatures can make programs run slower, freeze, or shut down. To address this issue, researchers have optimized the crystal-growing process of boron arsenide — a material that has...
Briefs: Software
Simulation Technique Models Material-Aging Process
The nation's aging infrastructure requires massive investment. Imagine if engineers could build structures with materials that do not degrade over time. A simulation technique was developed that could help engineers do just that.
Briefs: Electronics & Computers
Ultra-Low Power Consumption for Data Recording
New phase change material was developed that has electrical characteristics that behave differently than those of conventional materials. This new material provides a drastic reduction in power consumption for data recording in nonvolatile random access memory (RAM).
Briefs: Electronics & Computers
Microcontroller Altimeter (uCA)
Traditional altitude switch designs for harsh environments are mechanical in nature and operate by means of an inflatable bladder or bellows that mechanically depresses a pushbutton switch. The altitude trip point is set by mechanically adjusting the distance of the switch to the bellows. The mechanical action of the...
Briefs: Electronics & Computers
Currently, concussion is measured by the symptoms someone experiences, but it is difficult to know what is happening in the brain in any one person. To address this problem, a portable brain imaging system was...
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Briefs: Energy
Lithium-metal batteries — which can hold up to ten times more charge than lithium-ion batteries — haven't been commercialized because of a fatal flaw: as the batteries charge and...
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Briefs: Test & Measurement
The most common methods for glucose self-testing involve monitoring glucose levels in blood. These conventional measurements are not suitable for preventing hypoglycemia during exercise. The underlying...
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Briefs: Medical
Silver nanowires have drawn significant interest in recent years for use in many applications ranging from prosthetic devices to wearable health sensors due to their flexibility,...
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Briefs: Electronics & Computers
Modification of SURFICE Code
As part of the continued thermal support for the Space Launch System (SLS) program, MSFC is constantly developing or modifying software tools to aid in analytical efforts to solve thermal issues and problems posed by the project. In some cases, existing software used by previous heritage programs provides an excellent...
Briefs: Materials
An effective, non-invasive way of monitoring blood glucose could help both diabetics and those at risk of developing diabetes make the right choices to either manage the disease well, or reduce their risk...
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Briefs: Electronics & Computers
Researchers have observed waves of atomic rearrangements, known as phasons, propagating supersonically through a vibrating crystal lattice — a discovery that may dramatically...
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Briefs: Materials
Hardface Coating Systems for Wear and Corrosion Resistance
Metal alloys, such as titanium alloys and steels, are known to have a good combination of mechanical properties for many structural applications, but these metal alloys do not meet the wear and corrosion resistance requirements for some structural applications. Titanium alloys, for example,...
Briefs: Communications
An increase in computing performance has been achieved by squeezing ever more transistors into a tighter space on microchips. This downsizing has also meant packing the wiring within...
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Briefs: Software
Comprehensive Software Simulation on Ground Special Power at Kennedy Space Center
As the number of channels, or operative sites, increases in present and future ground special power (GSP) development efforts, the amount of hardware required to test development codes becomes substantially expensive. By simulating/emulating the hardware, code...
Briefs: Electronics & Computers
A method was developed for printing 3D structures composed entirely of liquids. Using a modified 3D printer, threads of water were injected into silicone oil, sculpting tubes made of one liquid within...
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Briefs: Electronics & Computers
Linear Resonators Make Electronics More Resistant to Damage and Defects
Mobile phones, tablets, and other portable devices are prone to failure caused by small defects in their complex electronics that can result from regular use. An innovation provides robust protection against circuitry damage that affects signal transmission.
Briefs: Electronics & Computers
Adhesives used for common pain-relieving bandages often do not stick properly when attached to places that encounter large, inhomogenous bending motion, like elbows and knees. To solve...
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Briefs: Sensors/Data Acquisition
Spintronic devices promise to solve major problems in today's computers, which use massive amounts of electricity to generate heat. This requires expending even more energy for cooling. By contrast, spintronic...
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Briefs: Energy
A small voltaic cell was developed that is sustained by the acidic fluids in the stomach. The system can generate enough power to run small sensors or drug delivery devices that can reside in the...
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Briefs: Materials
Water-Repellent Nanotextures Possess Anti-Fogging Capability
Some insect bodies have evolved the ability to repel water and oil, adhere to different surfaces, and eliminate light reflections. Scientists have been studying the physical mechanisms underlying these properties found in nature and mimicking them to design materials for use in everyday...
Briefs: Manufacturing & Prototyping
NASA Marshall Space Flight Center has developed a numerically controlled grinding tool that eliminates undesirable periodic variations in surface contours in optical and other surfaces — such as mid-spatial...
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Briefs: Electronics & Computers
A new chemical composite could be used to store heat from the Sun during the day in a thermal battery, and release the heat when needed. A common approach to thermal storage is to use a...
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Briefs: Robotics, Automation & Control
Active Response Gravity Offload System
NASA has used two systems to train astronauts for weightlessness. The first is the Reduced Gravity Simulator that suspended the astronaut at an angle of 80.5 so that only 1/6th of his or her weight was supported by the ground, while the rest was supported by a pulley system. The other system, designed during...
Briefs: Energy
A new hybrid energy storage controller is designed for a centralized control system that operates multiple energy storage devices (ESDs) and distributed generators to provide energy and...
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Briefs: Mechanical & Fluid Systems
Nanofibers are useful for any application that benefits from a high ratio of surface area to volume, such as solar cells that maximize exposure to sunlight, or fuel cell electrodes that catalyze...
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