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.

Latest Tech Briefs

Briefs : Electronics & Computers
Tiny Device Speeds up Memory While Saving Power
Tiny Device Speeds up Memory While Saving Power

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...

Tiny Device Speeds up Memory While Saving Power
Briefs : Electronics & Computers
Double-Sided Si(Ge)/Sapphire/III-Nitride Hybrid Structures
Double-Sided Si(Ge)/Sapphire/III-Nitride Hybrid Structures

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...

Double-Sided Si(Ge)/Sapphire/III-Nitride Hybrid Structures
Briefs : Imaging
Full-Color Holograms Can Be Viewed With Low Light
Full-Color Holograms Can Be Viewed With Low Light

Researchers have created inexpensive, full-color, 2D and 3D holograms that are more realistic and brighter, and can be viewed at wider angles than current holograms.

Full-Color Holograms Can Be Viewed With Low Light
Briefs : Imaging
Decoding Multiple Frames from a Single, Scattered Exposure
Decoding Multiple Frames from a Single, Scattered Exposure

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...

Decoding Multiple Frames from a Single, Scattered Exposure
Briefs : Electronics & Computers
Technique Identifies Electricity-Producing Bacteria
Technique Identifies Electricity-Producing Bacteria

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...

Technique Identifies Electricity-Producing Bacteria
Briefs : Imaging
Visualizing Motion of Water Molecules for Liquid-Based Electronics

A high-resolution inelastic x-ray scattering technique was used to measure the strong bond involving a hydrogen atom sandwiched between two oxygen atoms. This hydrogen bond is a quantum-mechanical phenomenon responsible for various properties of water, including viscosity, that...

Briefs : Mechanical & Fluid Systems
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
Organic Semiconductor Thin-Film Sensors Detect Disease Markers in Breath
Organic Semiconductor Thin-Film Sensors Detect Disease Markers in Breath

Organic semiconductors (OSCs) have emerged as a new class of electronic materials promising a wide range of applications including organic field-effect transistors...

Organic Semiconductor Thin-Film Sensors Detect Disease Markers in Breath
Briefs : Medical
Technique for 3D-Printing of Replacement Organs
Technique for 3D-Printing of Replacement Organs

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...

Technique for 3D-Printing of Replacement Organs
Briefs : Energy
Combustion Gas Heat Exchanger
Combustion Gas Heat Exchanger

Two very challenging problems facing the U.S. and the world are energy security and global climate change, largely due to dependence on fossil fuels. Cost-effective technologies have been developed that are...

Combustion Gas Heat Exchanger
Briefs : Materials
Tuning Material Color and Thermal Properties Separately
Tuning Material Color and Thermal Properties Separately

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...

Tuning Material Color and Thermal Properties Separately
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 : Medical
Endovascular Variable Aortic Control Catheter
Endovascular Variable Aortic Control Catheter

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...

Endovascular Variable Aortic Control Catheter
Briefs : Electronics & Computers
System Provides “Electric Eyesight” for Autonomous Vehicles
System Provides “Electric Eyesight” for Autonomous Vehicles

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...

System Provides “Electric Eyesight” for Autonomous Vehicles
Briefs : Imaging
Technique Makes Objects Invisible to Image Detection Systems
Technique Makes Objects Invisible to Image Detection Systems

Adversarial techniques were developed that can make objects “invisible” to image detection systems that use deep-learning algorithms. These techniques can also trick systems...

Technique Makes Objects Invisible to Image Detection Systems
Briefs : Materials
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...

Briefs : Imaging
Efficient Hexagonally Sampled Image Processing
Efficient Hexagonally Sampled Image Processing

It has been known since the early 1960s that hexagonal sampling is the optimal sampling approach for isotropically band-limited images, providing a 13.4% improvement in sampling efficiency over...

Efficient Hexagonally Sampled Image Processing
Briefs : Mechanical & Fluid Systems
Method Uses Ultraviolet Light to Control Fluid Flow and Organize Particles
Method Uses Ultraviolet Light to Control Fluid Flow and Organize Particles

A new method uses ultraviolet light to control the flow of fluids by encouraging particles — from plastic microbeads, to bacterial spores, to pollutants — to...

Method Uses Ultraviolet Light to Control Fluid Flow and Organize Particles
Briefs : Imaging
Automated Object Detection in an Image

Recent developments in machine vision have demonstrated remarkable improvements in the ability of computers to properly identify objects in a viewing field. Most of these advances rely on color-texture analyses that require target objects to possess one or more highly distinctive, local features that can be...

Briefs : Mechanical & Fluid Systems
Nickel Titanium Alloy Ball Bearings
Nickel Titanium Alloy Ball Bearings

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...

Nickel Titanium Alloy Ball Bearings
Briefs : Medical
Wearable Monitor Continuously Measures Breath Rate and Volume
Wearable Monitor Continuously Measures Breath Rate and Volume

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...

Wearable Monitor Continuously Measures Breath Rate and Volume
Briefs : Mechanical & Fluid Systems
Lunar Surface Manipulation System
Lunar Surface Manipulation System

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 Surface Manipulation System
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 : Materials
Textile Cools or Insulates Automatically
Textile Cools or Insulates Automatically

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...

Textile Cools or Insulates Automatically
Briefs : Medical
Microneedles Extract Fluid for Wearable Sensors
Microneedles Extract Fluid for Wearable Sensors

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...

Microneedles Extract Fluid for Wearable Sensors