Photonic Band Gap Material Steers Light in New Ways

A team of San Francisco State University researchers is the first to build and demonstrate the ability of two-dimensional disordered photonic band gap material, designed to be a platform to control light in unprecedented ways.

Voyager 1 Ventures into Interstellar Space

NASA's Voyager 1 spacecraft officially is the first human-made object to venture into interstellar space. The 36-year-old probe is about 12 billion miles (19 billion kilometers) from the sun.

Question of the Week
Will Biometrics Become a Must-have for Consumers?

Apple Inc. added a fingerprint scanner to its latest version of the iPhone, offering biometric security possibilities for workplaces or mobile commerce. Some analysts say that Apple's embrace of fingerprint scanning could lead to wider adoption and mainstream usage. Many laptops, external...

Software Helps Stabilize Aircraft During Takeoff and Landing

One of the concerns about commercial aircraft is their stability on the ground during taxiing, takeoff, and landing. During these processes, planes must maintain stability under various operating conditions. However, in some situations, the aircraft landing gear displays unwanted...

3D Earth Analysis Pinpoints Source of Earthquakes and Explosions

Under the sponsorship of the National Nuclear Security Administration’s Office of Defense Nuclear Nonproliferation R&D, Sandia National Laboratories and Los Alamos National have partnered to develop a 3D model of the Earth’s mantle and crust called SALSA3D, or Sandia-Los...

Robot Moves Along Power Lines to Search for Damage

Mechanical engineers at the University of California, San Diego (UCSD) invented a robot designed to scoot along utility lines, searching for damage and other problems that require repairs. Made of off-the-shelf electronics and plastic parts printed on an inexpensive 3D printer, the SkySweeper...

Electric Bus Uses Novel Battery Management and Drive Control Systems

Electric mobility may be economically efficient today. Battery-based electric drives can be applied efficiently in urban buses, for instance. Frequent acceleration and slow-down processes as well as a high utilization rate in short-distance traffic make their use profitable...

Researchers 3D-Print Interlocking Building Blocks

Purdue researchers are working with the U.S. Army Research Laboratory to develop a technology for creating parts out of interlocking segments.

New Sensors Map Lightning Strikes

To better predict severe weather, a device developed at The University of Alabama in Huntsville (UAH) has become a valuable tool in researchers' quest to determine how lightning is spawned in clouds.

Bubbles Act As Lenses For Nanoscale Light Beams

Bending light beams to your whim sounds like a job for a wizard or a complex array of bulky mirrors, lenses and prisms, but a few tiny liquid bubbles may be all that is necessary to open the doors for next-generation, high-speed circuits and displays, according to Penn State researchers.

Programmable DNA Glue Guides Self-Assembling Devices

A team of researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University has found a way to self-assemble complex structures out of bricks smaller than a grain of salt. The self-assembly method could help solve one of the major challenges in tissue engineering:...

New Sensors Map Lightning Strikes

To better predict severe weather, a device developed at The University of Alabama in Huntsville (UAH) has become a valuable tool in researchers' quest to determine how lightning is spawned in clouds.

Inflatable Antennae Gives CubeSats Greater Reach

"CubeSats,” and other small satellites, are making space exploration cheaper and more accessible: The minuscule probes can be launched into orbit at a fraction of the weight and cost of traditional satellites.

Question of the Week
Will Wearable Computing Become Mainstream?

Bluetooth HD earmuffs, made by activewear company 180s, will debut this fall. The Bluetooth product, which warms your ears while also hiding speakers and a microphone, is another example of wearable computing — a technology area that includes trendy devices like smartwatches and Google Glass. Many...

Researchers Discover New Way To Trap Light

There are several ways to “trap” a beam of light — usually with mirrors, other reflective surfaces, or high-tech materials such as photonic crystals. But now researchers at MIT have discovered a new method to trap light that could find a wide variety of applications.

Army Plans To Remove Tons Of Toxins From Lethal Rounds

An enemy convoy transporting a supply of fuel rumbles across the desert floor, an ideal target for armor-piercing incendiary projectiles. These projectiles are most useful for "after-armor effects," such as an incandescent flash immediately after penetrating a hard target. The resulting...

Army extends Global Information Grid Network To Company Level

As the U.S. mission in Afghanistan changes and forces conduct more dispersed operations, new tactical communications equipment for vehicles at the company level will help extend the network over vast distances to keep soldiers connected and commanders informed.

Researchers Develop Next-Generation Electronic Warfare Tools

When U.S pilots encounter enemy air defenses, onboard electronic warfare (EW) systems protect them by interfering with incoming radar signals – a technique known as electronic attack (EA) or jamming. Conversely, electronic protection (EP) technology prevents hostile forces from using...

NASA Innovation Up Close and Personal

NASA’s post-Shuttle era has demonstrated that the agency continues to achieve amazing engineering feats – not the least of which is the Mars rover Curiosity, which has met the main goal of its 2-year mission in less than one year.

Fog Harvester Pulls Water from Thin Air

A fog-harvesting system developed by MIT and Chilean researchers could provide potable water for the world’s driest regions.

First Human-to-Human Brain Interface: Researcher Controls Colleague's Motions

University of Washington researchers have performed what they believe is the first noninvasive human-to-human brain interface, with researcher Rajesh Rao able to send a brain signal via the Internet to control the hand motions of fellow researcher Andrea Stocco.

News : Lighting
Silicon-Based Nanoparticles Could Make LEDs Cheaper, Greener To Produce

Light-emitting diodes, are the most efficient and environmentally friendly light bulbs on the market. But they come at a higher up-front price than other bulbs, especially the ones with warmer and more appealing hues. But researchers at the University of Washington have...

Application Briefs : Lighting
Metallurgists Use Microwaves to Create Nanocrystal Semiconductors

University of Utah metallurgists used an old microwave oven to produce a nanocrystal semiconductor rapidly using cheap, abundant and less toxic metals than other semiconductors. They hope it will be used for more efficient photovoltaic solar cells and LED lights, biological...

Who's Who
Garry Lyles, Chief Engineer, Marshall Space Flight Center, AL

NASA Tech Briefs: What is the Space Launch System?

Garry Lyles: It’s the heavy launch system that is designed to take humans and cargo beyond lower Earth orbit. It is the next big capability with the Orion MPCV (Multi-Purpose Crew Vehicle). The Space Launch...

Smallest-Ever Autopilot for Micro Aerial Vehicles

Researchers at the Netherlands' Delft University of Technology (TU Delft) have designed, built, and tested what they say is the world's smallest autopilot for small unmanned aircraft.

NASA's Asteroid Redirect Mission: A Conceptual Animation

NASA has released this conceptual animation depicting the agency's planned mission to find, capture, redirect, and study a near-Earth asteroid.

Telescope Mirror Offers Sharpest Photos of Night Sky

Astronomers at the University of Arizona, the Arcetri Observatory near Florence, Italy, and the Carnegie Observatory have developed a new type of camera that allows scientists to take sharper images of the night sky than ever before, and in visible light. Using a telescope mirror that...

Question of the Week
Are 'Virtual Receptionists' a Good Idea?

The London borough of Brent is using a virtual receptionist, or hologram, to greet visitors in its new civic center. The hologram responds to questions about locations in the building, such as where to register births or where to head to apply for a marriage certificate. The virtual employee will be...

Assembling Big Structures Out of Small, Interlocking Composite Components

MIT researchers have developed a lightweight structure whose tiny blocks can be snapped together much like the bricks of a child’s construction toy. The new material, the researchers say, could revolutionize the assembly of airplanes, spacecraft, and even larger...

New Tests Cool Turbine Blades and Improve Engines

Iowa State University’s Hui Hu and Blake Johnsonare developing new technologies to accurately test and improve engine cooling strategies. Their current focus is to improve the turbine blades spun by the engine’s exhaust. Those blades at the back of the engine drive front blades that force...

Question of the Week
Will Cooling Coatings Catch On?


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Electric-Vehicle Transmission Development and Simulation

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