Transportation

49
-1
150
30
Briefs: Materials
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...
Feature Image
Briefs: Aerospace
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: Energy
Polymer membrane separators play a crucial function in many energy and water technologies including energy storage, hydrogen generation through water electrolysis, and...
Feature Image
Briefs: Aerospace
Technological advancements in materials, sensors, and computing have driven demand for higher-performance satellites. Satellites need to be much more capable in a much smaller size with a longer...
Feature Image
Briefs: Transportation
A driverless car is making its way through a winding neighborhood street, about to make a sharp turn onto a road where a child’s ball has just rolled. Although no person in the car can see that ball, the car...
Feature Image
Briefs: Test & Measurement
Technology was developed that not only allows wheels to “know” when and how to rotate, but also enables them to work together in interactive teams. The new technology can be used wherever there is a need for...
Feature Image
Briefs: Test & Measurement
Innovators at NASA’s Glenn Research Center have developed a simple, lightweight, inline, two-speed drive that can be used either as an overall transmission, or as a supplemental add-on input...
Feature Image
Briefs: Energy
Power electronics used for routing, control, and conversion of electrical power traditionally utilize silicon semiconductors. These systems tend to be bulky, require active cooling, and are inadequate for...
Feature Image
Briefs: Automotive
Vanadium dioxide’s unique properties make it ideally suited for outperforming silicon and giving rise to a new generation of low-power electronic devices. This compound can be...
Feature Image
Briefs: Energy
A working, rechargeable proton battery was developed that could store more energy than currently available lithium-ion batteries. Potential applications include household storage of...
Feature Image
Briefs: Photonics/Optics
A new approach to time-of-flight imaging that increases its depth resolution 1,000-fold has been presented by the MIT Camera Culture group. That type of resolution could make...
Feature Image
Briefs: Propulsion
NASA’s Marshall Space Flight Center is building a small CubeSat that uses an 85-m2 solar sail deployed from a central location to capture the push of photons from the Sun as...
Feature Image
Briefs: Motion Control
NASA is preparing for the next generation of CubeSats that are propelled and will make directional maneuvers. The new gimbal mount provides a seat for the motor, and controls the position of the thrusters...
Feature Image
Briefs: Aerospace
NASA’s Langley Research Center has developed a landing gear cavity modification that reduces noise produced during aircraft approach and landing. The modification is an innovative stretchable mesh...
Feature Image
Briefs: Green Design & Manufacturing
This ultracapacitor design is energy- and cost-efficient with measurably less environmental impact. Hybrid Power Management (HPM) is the integration of diverse, state-of-the-art power...
Feature Image
Briefs: Energy
Feature Image
Briefs: Energy
Strobe or rotating beacon-type emergency lighting is a requirement on all Minnesota Department of Transportation (Mn/DOT) maintenance and construction vehicles. There is an effort to...
Feature Image
Briefs: Transportation
Feature Image
Briefs: Electronics & Computers
An Alternative for Emergency Preemption of Traffic Lights
An electronic communication and control system has been developed as a prototype of advanced means of automatically modifying the switching of traffic lights to give priority to emergency vehicles. This system could be used alternatively or in addition to other emergency...
Briefs: Transportation
Automated Announcements of Approaching Emergency Vehicles
Street intersections that are equipped with traffic lights would also be equipped with means for generating audible announcements of approaching emergency vehicles, according to a proposal. The means to generate the announcements would be implemented in the intersection-based subsystems of...
Briefs: Transportation
The purpose of this article is to describe, in more detail, the transponder installed in each vehicle that participates in the emergency traffic-light-preemption system described in the...
Feature Image
Briefs: Lighting
Strobe-enhanced traffic signals have been developed to aid in the preemption of road intersections for emergency vehicles. The strobe-enhanced traffic signals can be incorporated into...
Feature Image
Briefs: Transportation
Two electronic communication-and- control systems have been proposed as means of modifying the switching of traffic lights to give priority to emergency vehicles. Both...
Feature Image

Videos