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: Sensors/Data Acquisition
Berkeley Lab technology could reduce time needed to declare buildings affected by earthquakes safe and sound.
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Briefs: Test & Measurement
Suppose you have 10 taxis in Manhattan. What portion of the borough’s streets do they cover in a typical day?
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Briefs: Energy
Cryogenic Hydraulically Actuated Isolation Valve
Researchers at NASA's Marshall Space Flight Center have developed a cryogenic isolation valve that utilizes the upstream line pressure of cryogenic fluids for actuation. Previously, the use of cryogenic fluids for actuation systems had been too difficult to control and resulted in unsafe operating...
Briefs: Mechanical & Fluid Systems
Nitinol-Actuated, Normally Open Valve Assembly (NOVA)
NASA Goddard Space Flight Center has developed the NOVA zero-leak, permanent isolation valve that helps prevent leaks in space propulsion systems with operating pressures less than or equal to 500 psia. The actuator is made from nitinol, a heat-activated, non-explosive, shape memory alloy and...
Briefs: Electronics & Computers
A new method uses ultraviolet light to control the flow of fluids by encouraging particles — from plastic microbeads, to bacterial spores, to pollutants — to gather...
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Briefs: Electronics & Computers
Innovators at NASA's Glenn Research Center have developed a new method for making small-diameter, high-grade ball bearings that are less than 0.25” in diameter thanks to the development of a new alloy made...
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Briefs: Test & Measurement
NASA's Langley Research Center offers a novel lifting and precision positioning device with hybrid functional characteristics of both crane-type lifting devices and robotic manipulators. The design of the Lunar...
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Briefs: Mechanical & Fluid Systems
Even the smallest mechanical pumps have limitations, from the micro-fabrication techniques required to make them to the fact that there are limits on their size. A laser-driven photoacoustic microfluidic pump was...
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Briefs: Sensors/Data Acquisition
Microscale Electro-Hydrodynamic (EHD) Modular Cartridge Pump
The EHD pump uses electric fields to move a dielectric fluid coolant in a thermal loop to dissipate heat generated by electrical components with a low-power system. The pump has only a few key components and no moving parts, increasing the simplicity and robustness of the system. In...
Briefs: Test & Measurement
Deployable Emergency Shutoff Device Blocks High-Velocity Fluid Flows
NASA's Marshall Space Flight Center has developed a device and method for blocking the flow of fluid from an open pipe. The device plugs, controls, and meters the flow of gases and liquids. Anchored with friction fittings, spikes, or explosively activated fasteners, the device is...
Briefs: Nanotechnology
Fire-Retardant Coating Uses Renewable, Nontoxic Materials
Researchers developed a new kind of flame-retardant coating using renewable, nontoxic materials readily found in nature. The coating could provide more effective fire protection for several widely used materials. The coatings offer the opportunity to reduce the flammability of polyurethane...
Briefs: Electronics & Computers
Researchers have created a fabric that automatically regulates the amount of heat that passes through, depending on conditions; for example, when conditions are warm and moist — such as those of a...
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Briefs: Photonics/Optics
Polymers are regularly used as thermal insulators and can even be used as thermal conductors to enable efficient heating or cooling. A new type of polymer was created that demonstrates a...
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Briefs: Materials
The color of a material can often tell how it handles heat. With clothing, for example, the darker the pigment, the warmer you're likely to feel on a hot day. Likewise, the more...
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Briefs: Mechanical & Fluid Systems
The Air Force has developed improved devices for hemostatic management of patients with life-threatening blood loss from an arterial wound or surgery. Current aortic occlusion devices successfully...
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Briefs: Communications
Researchers developed a wearable, disposable respiration monitor that provides high-fidelity readings on a continuous basis. It's designed to help children with asthma and cystic...
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Briefs: Wearables
Interstitial fluid is clear, colorless, and similar to blood plasma. Continual sampling of important biomarkers in interstitial fluid could help monitor and diagnose many diseases and disorders....
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Briefs: Semiconductors & ICs
In 2016, UC Berkeley engineers demonstrated the first implanted, ultrasonic, neural dust sensors. Now, taking the next step, the smallest-volume wireless nerve stimulator was developed, called StimDust...
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Briefs: Sensors/Data Acquisition
Bioengineers have cleared a major hurdle on the path to 3D-printing replacement organs with a new technique for bioprinting tissues. It allows scientists to create entangled vascular networks that...
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Briefs: Data Acquisition
Smart objects are required to store and retrieve massive amounts of data quickly without consuming too much power. Millions of new memory cells could be part of a computer chip and provide that...
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Briefs: Electronics & Computers
NASA Langley Research Center has developed a double-sided Si(Ge)/ Sapphire/III-Nitride hybrid structure. This technology uses both sides of a sapphire wafer to build device structures...
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Briefs: Energy
Organic semiconductors (OSCs) have emerged as a new class of electronic materials promising a wide range of applications including organic field-effect transistors (OFET),...
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Briefs: Electronics & Computers
High-Temperature Dielectric Nanocomposite
A nanocomposite was developed that could be a superior high-temperature dielectric material for flexible electronics, energy storage, and electric devices. The nanocomposite combines one-dimensional polymer nanofibers and two-dimensional boron nitride nano-sheets. The nanofibers reinforce the...
Briefs: Electronics & Computers
Inductive Power Transfer for Spaceflight Systems
NASA Goddard Space Flight Center has developed technology that uses inductive power transfer (IPT) for wireless power interfaces between spaceflight elements (such as the payload, vehicle, and pad). Current spaceflight systems require traditional hardwire connections for power interfaces. This...
Briefs: Energy
Certain species of bacteria that exist in oxygen-deprived environments must find a way to breathe that doesn't involve oxygen. These microbes — which can be found deep within mines, at the...
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Briefs: Semiconductors & ICs
Autonomous vehicles relying on light-based image sensors often struggle to see through blinding conditions such as fog. Sub-terahertz wavelengths, which are between microwave and...
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Briefs: Electronics & Computers
Data-Compression Technique Speeds Computer Programs
Data compression leverages redundant data to free up storage capacity, boost computing speeds, and provide other perks. In current computer systems, accessing main memory is very expensive compared to actual computation. Because of this, using data compression in the memory helps improve...
Briefs: Communications
Researchers have created technology that is 10 times more reliable than current methods of producing unclonable digital fingerprints that can be used to...
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Briefs: Sensors/Data Acquisition
When light gets scattered as it passes through a translucent material, the emerging pattern of “speckle” looks as random as static on a television screen with no signal. But it...
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