Materials & Manufacturing

Briefs : Materials
Nano-Additives Increase the Service Life of Concrete

A new method increases the service life of concrete structures by reducing the infiltration rates of deleterious ions. The key is a nano-sized additive that slows down penetration of...

Briefs : Materials
Self-Healing Metal Oxides for Corrosion Protection

Most metals, with the notable exception of gold, tend to oxidize when exposed to air and water. This reaction — which produces rust on iron, tarnish on silver, and verdigris on copper or...

Briefs : Materials
Energy-Storing Material Folds Onto Itself

Eagles can store energy in their feet without having to continuously contract their muscles to then jump high or hold on to prey. New materials have been created that can store energy this way. The...

Briefs : Materials
Synthesis and Development of Polyurethane Coatings Containing Fluorine Groups for Adhesive Applications

Accumulation of insect strikes on the leading edge of airplane wings is a more serious problem than one might realize. Depending on the magnitude, such accumulation changes the aerodynamic characteristics of the wing, causing a change from...

Briefs : Materials
Bacteria-Fighting Polymers Created with Light

Hundreds of polymers that could kill drug-resistant superbugs in novel ways can be produced and tested using light. The new method may help identify antimicrobials for a range of applications from personal care to coatings.

Briefs : Materials
One-Dimensional Material with High Current Density

Current density is the amount of electrical current per cross-sectional area at a given point. As transistors in integrated circuits become smaller and smaller, they need higher and higher...

Briefs : Materials
3D-Printing Light Receptors on a Hemispherical Surface

Researchers have 3D-printed an array of light receptors on a hemispherical surface. This discovery could lead to a “bionic eye” that could someday help blind people see or sighted...

Briefs : Green Design & Manufacturing
Bio-Renewable Process Creates “Green” Plastic

Plastics are often derived from petroleum, contributing to reliance on fossil fuels, and driving harmful greenhouse gas emissions.

Briefs : Electronics & Computers
Efficient Semiconductor Material for Thermal Management

Computer processors have continued to shrink down to nanometer sizes where there can be billions of transistors on a single chip. This phenomenon is described under Moore's Law, which...

Briefs : Manufacturing & Prototyping
Fabricating Battery Electrodes Using 3D Printing

Additive manufacturing (3D printing) can be used to manufacture porous electrodes for lithium-ion batteries, but because of the nature of the manufacturing process, the design of these...

Briefs : Manufacturing & Prototyping
3D Printing Enables Bulk Creation of Metallic Glass Alloys

Researchers have demonstrated the ability to create amorphous metal (metallic glass) alloys on large scales using 3D printing technology. Metallic glasses lack the crystalline...

Briefs : Manufacturing & Prototyping
Hybrid Silicone-Fabric Sensor for Wearable Robots

Wearable technologies are exploding in popularity in both the consumer and research spaces, but most of the electronic sensors that detect and transmit data from wearables are made of hard,...

Briefs : Sensors/Data Acquisition
Conformal Metasurface Coating Eliminates Crosstalk and Shrinks Waveguides

Researchers have developed a method to simultaneously control diverse optical properties of dielectric waveguides by using a two-layer coating, each layer with a...

Briefs : Materials
Technique Creates Adaptive Materials

A technique that enables on-demand control of composite behavior could enable a variety of new capabilities for future rotorcraft design, performance, and maintenance. The focus of the research was on...

Briefs : Aerospace
Acoustic Beamforming Array Using Feedback-Controlled Microphones for Tuning and Self-Matching of Frequency Response

NASA's Langley Research Center, in collaboration with Michigan State University (MSU), has developed a microphone array that...