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Aerospace

Budget Airline Car Concept Is the Short-flight Alternative

Short-haul airline flights can be a great convenience for travelers, but they produce more CO2 emissions – about 250 g/km per person – than any other form of passenger...

Briefs
Transportation

Fabrication and Testing of High-Speed Single-Rotor and Compound-Rotor Systems

The X2 Technology Demonstrator recently achieved a level flight speed over 250 knots, proving the basic concept of the coaxial compound configuration.

Briefs
Energy

Winglet with Injected Flow

Injection of air at the trailing edge of a winglet further reduces drag.

Articles
Energy

Tire Pressure Impact on EV Driving Range

Electric-vehicle development teams have made great advances in improving vehicle range, mitigating “range anxiety” for the end customer. While much focus has been on advances in battery...

Briefs
Aerospace

High-Performance, Piezoelectric, Hybrid Synthetic Jet Actuators

These actuators provide active flow control for airfoil surfaces and supersonic inlets of wing-borne vehicles.

Articles
AR/AI

Engineering the World’s Fastest Tractor

For farmers in a hurry, JCB’s Fastrac series agricultural tractors are capable of speeds up to 43 mph (69 km/h) in stock form. But the British company believes in challenging its engineers to...

Briefs
Test & Measurement

Pinpointing Consumption “Sweet Spot” Makes Formation Flight More Fuel-Efficient

A new method of estimating the optimal trailing aircraft position in a formation increases fuel savings.

Briefs
Propulsion

De-Orbit Device for SmallSats

This retractable de-orbit device facilitates targeted re-entry, attitude and orbital control, and collision avoidance.

Briefs
Mechanical & Fluid Systems

Durable Polyimide Aerogels

Stronger and flexible, polyimide aerogels provide insulation and structural support.

Briefs
Test & Measurement

Sensing Applied Load and Damage Effects in Composites with Nondestructive Techniques

Determine the effects of applied load on a composite structure.

Technology Report
Regulations/Standards

A Mirrorless Future? NHTSA Seeks Input on Exterior Cameras

The U.S. National Highway Traffic Safety Administration (NHTSA) in early October distributed a notice soliciting industry and public input on whether to allow “camera...

Technology Report
Sensors/Data Acquisition

Continental Tire Rolls Towards a Smart and Connected Future

It is difficult to become emotional about tires except when they – literally – let us down. But tires are set to get smarter, communicate more effectively and react to...

Briefs
Aerospace

Advanced Over-the-Wing Nacelle Transport Configuration

NASA’s Langley Research Center has developed a new aircraft design with the engine nacelle over the wing, improving engine ground clearance and freeing landing gear design. While...

News
Aerospace

Lockheed Martin Announces Latest Hypersonic Progress at Le Bourget

Lockheed Martin Corporation successfully flight tested the AGM-183A Air-Launched Rapid Response Weapon (ARRW) on a U.S. Air Force Boeing B-52 Stratofortress. The captive...

Articles
Electronics & Computers

Extending EV Range with AV Programming

Increasing the range of electric vehicles (EV) in a practical cost-effective way has become a primary challenge for the industry. However, current efforts to increase EVs’ market acceptance, via...

Briefs
Aerospace

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...

News
Propulsion

Final Orion Capsule Parachute System Test Successful

A team of engineers from NASA and Dallas-based Jacobs Engineering Group Inc. successfully completed the eighth and final test of the Orion spacecraft Capsule Parachute Assembly System...

Articles
Power

Starship Road Trip

Dubbed the Starship Initiative, the collaboration between Shell and AirFlow Truck Co. on the Starship Class 8 concept truck achieved 178.4 ton-mpg for freight ton efficiency (FTE) in a recent cross-country drive, a...

Briefs
Mechanical & Fluid Systems

Ultra-Thin Capacitive Sensor Has the Least Possible Resistance to Motion

A thin and flexible sensor was developed for sensing sounds, since it can move with the airflow made by even the softest noises. With the least possible resistance to motion, the sensor addresses issues with accelerometers, microphones, and many other similar sensors. The...

Briefs
Mechanical & Fluid Systems

Using Direct Current with Inverter Technology in Resistance Welding

Resistance welding with direct current (DC) using inverter technology reduces costs by improving quality, reducing maintenance, and increasing productivity. Switching from...

Briefs
Aerospace

Airborne Background Oriented Schlieren Technique

NASA has developed a novel method to render visible the density changes in air that cause a refractive index change by an airborne vehicle. These density changes include shock waves, vortices,...

Global Innovations
Materials

Scientists Develop Elastic Metal Rods to Treat Scoliosis

National University of Science and Technology MISIS
Moscow, Russia
http://en.misis.ru/

Together with colleagues from the Ecole de Technologie Superiore (Montreal,...

Briefs
Photonics/Optics

Flexible, Water-Repellent Graphene Circuits for Washable Electronics

New graphene printing technology can produce electronic circuits that are low-cost, flexible, highly conductive, and water-repellent. Low-cost, inkjet-printed graphene...

Briefs
Energy

Flexible, Gravity-Fed Heat Pipe

The advent of cryocooler technology ushers in an era where a cryogenic environment is created and maintained locally. It is no longer necessary to transport cryogen from a factory where it is produced to the...

Briefs
Materials

Conductive, High-Toughness Oxides Deposited by Plasma Spray-Physical Vapor Deposition (PS-PVD)

Oxide coatings deposited in Glenn Research Center's Plasma Spray-Physical Vapor Deposition (PS-PVD) facility can be processed to be mechanically tough (erosion-resistant) and electrically conductive at room temperature. The electrically conductive...

Briefs
Mechanical & Fluid Systems

Natural DNA-Based Nonvolatile Resistive Switching Memory

Motivated by the demand for an even larger storage capacity in the information era, research efforts have been devoted to the development of more efficient and cost-effective memory elements.

Briefs
Electronics & Computers

A Mechanistic Analysis of Oxygen Vacancy Driven Conductive Filament Formation in Resistive Random Access Memory Metal/NiO/Metal Structures

Resistive Random Access Memory (RRAM) devices have drawn much interest in the last decade,...

Briefs
Materials

Fluorinated Alkyl Ether Epoxy Resin Compositions and Applications Thereof

NASA Langley Research Center has developed fluorinated alkyl ether-containing epoxies designed as an anti-insect coating. The robust and durable coating was developed...

Briefs
Materials

Nickel Oxide Compound for High-Temperature Superconductors

Superconducting materials are technologically important because electricity flows through them without resistance. Only low-temperature superconductivity seemed possible before 1986,...