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World-Record Millimeter-Wave Output Power Generated From Nanoscale CMOS

Harish Krishnaswamy, assistant professor of electrical engineering at Columbia Engineering, has generated a record amount of power output—by a power of five—using silicon-based nanoscale CMOS (complementary metal oxide semiconductor) technology for millimeter-wave power...

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Student-Built Solar Village to House Microgrid Project

Four solar homes built by students at Missouri University of Science and Technology will soon become home to an experimental microgrid to manage and store renewable energy. The houses, all past entries into the Solar Decathlon design competition, make up the university’s Solar Village.

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Researchers Use TEM Imaging to Observe Battery Performance

Researchers at MIT and Sandia National Laboratories have used transmission electron microscope (TEM) imaging to observe, at a molecular level, what goes on during a reaction called oxygen evolution as lithium-air batteries charge.

The reaction is thought to be a bottleneck limiting...

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Robot Discovers Objects on its Own

Robots can continually discover and refine their understanding of objects, say researchers at Carnegie Mellon University’s Robotics Institute. The Lifelong Robotic Object Discovery (LROD) process, developed by the research team, enabled a two-armed, mobile robot to use color video, a Kinect depth camera, and...

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Fatigue Failure of Teeth Simulated with Finite Element Analysis

Scientists of the Max Planck Institute for Evolutionary Anthropology and the Senckenberg Research Institute in Frankfurt, together with dental technicians, have digitally analyzed modern human teeth using finite element analysis to evaluate the biomechanical behavior of teeth under...

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Softening Steel Problem Expands Computer Model Applications

Sandia National Laboratories researchers Lisa Deibler and Arthur Brown had a ready-made problem for their computer modeling work when they partnered with the National Nuclear Security Administration’s Kansas City Plant (KCP) to improve stainless steel tubing that was too hard to meet...

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Petaflop-Level Earthquake Simulations Made on GPU-Powered Supercomputers

A team of researchers at the San Diego Supercomputer Center (SDSC) and the Department of Electronic and Computer Engineering at the University of California, San Diego, has developed a highly scalable computer code that promises to dramatically cut both research times and...

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Piezoelectric “Taxels” Convert Motion to Electronic Signals for Tactile Imaging

Using bundles of vertical zinc oxide nanowires, Georgia Tech researchers have fabricated arrays of piezotronic transistors capable of converting mechanical motion directly into electronic controlling signals. The arrays could help give robots a more adaptive...

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3D Motion Detector Could Prevent Shoulder Injuries in Baseball Pitchers

A new 3D motion detection system could help identify baseball pitchers who are at risk for shoulder injuries, according to a new study conducted at Loyola University. The system can be used on the field and requires only a laptop computer. Other systems that evaluate...

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Race Car with Electric Motors Demonstrates New Sensor Concepts

Fraunhofer Institute research scientists use an electric racing car to present novel solutions for battery management and electronic sensor systems, together with an industry partner.

EVE, a racing car with a very quiet engine, goes from 0 to 100 in 3.6 seconds. EVE is powered...

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Seahorse Tail Inspires Robotics Designs

A seahorse tail’s exceptional flexibility is due to its structure, made up of bony, armored plates, which slide past each other. Researchers at the University of California, San Diego, are hoping to use a similar structure to create a flexible robotic arm equipped with muscles made out of polymer, which...

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NASA Begins Acoustic Testing of Space Launch System

Engineers at NASA's Marshall Space Flight Center in Alabama are making progress on the agency's new rocket by listening closely to the roar of four thrusters. The agency is developing the new rocket, called the Space Launch System, or SLS, at Marshall. This vehicle will enable space...

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Army Improves Vehicle Design with Blast Tests

With the growing threat of improvised explosive devices over the past decade, Army researchers have been hard at work testing and evaluating ways to keep Soldiers safe from bomb blasts. The U.S. Army Research, Development and Engineering Command analyzes under-body blasts, known as UBBs.

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Fly's Eye Inspires Hemispherical Digital Camera

Inspired by the complex fly eye, an interdisciplinary team led by researchers at the University of Illinois at Urbana-Champaign and Northwestern University has developed a hemispherical digital camera with nearly 200 tiny lenses, delivering wide-angle field of view and sharp images.

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Acoustic Time Delay Device Could Reduce Size of Phased Array Radar Systems

Radar systems today depend increasingly on phased-array antennas, an advanced design in which extensive grids of solid state components direct signal beams electronically. Phased array technology is replacing traditional electro- mechanical radar antennas – the familiar...

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Soldiers Use New Network to Prepare for Advise, Assist Mission

For Staff Sgt. Stephen Kovac, getting important information and instructions to the rest of his platoon was a struggle. He could radio back to higher headquarters and wait for the calls to filter back down, losing precious seconds during an operation. Or, he said, he could "yell and...

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Researcher Explores New Use For Weapons-Detecting Radar?

Kamal Sarabandi is an electrical engineering professor at the University of Michigan. His specialty is remote sensing—detecting objects and gathering information from a distance. For several years ending in mid-2012, he was funded by the Department of Defense to tweak a type of radar not...

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Robots Use Whole-Arm Sensing to Reach Through Clutter

Robots are now able to intelligently maneuver within clutter, gently making contact with objects while accomplishing a task. The new control method has wide applications, ranging from robots for search-and-rescue operations to assistive robotics for people with disabilities.

News : Lighting
Scientists Mimic Fireflies to Make Brighter LEDs

The nighttime twinkling of fireflies has inspired scientists to modify a light-emitting diode (LED) so it is more than one-and-a-half times as efficient as the original. Researchers from Belgium, France, and Canada studied the internal structure of firefly lanterns, the organs on the...

News : Lighting
Scientists Fit Light-Emitting Bioprobe in a Single Cell

If engineers at Stanford have their way, biological research may soon be transformed by a new class of light-emitting probes small enough to be injected into individual cells without harm to the host. Welcome to biophotonics, a discipline at the confluence of engineering, biology and...

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New Technique Creates Stronger, Lightweight Magnesium Alloys

Researchers from North Carolina State University have developed a new technique for creating stronger, lightweight magnesium alloys that have potential structural applications in the automobile and aerospace industries.

News : Semiconductors & ICs
Researchers Measure Near-Field Behavior of Semiconductor Microparticles

Recent progress in the engineering of plasmonic structures has enabled new kinds of nanometer-scale optoelectronic devices as well as high-resolution optical sensing.

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NASA Sends Unmanned Aircraft to Study Volcanic Plume

Studying volcanos can be hazardous work, both for researchers and aircraft. To penetrate such dangerous airspace, unmanned aerial vehicles (UAVs), especially those with electric engines that ingest little contaminated air, are an emerging and effective way to gather crucial data about volcanic...

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Thrusters Powered by Ionic Wind May Be Alternative to Conventional Propulsion

When a current passes between two electrodes — one thinner than the other — it creates wind in the air between. If enough voltage is applied, the resulting wind can produce a thrust without the help of motors or fuel. This phenomenon, called electrohydrodynamic...

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NASA Engineers Test Placement of Webb Telescope Spectographic Instruments

The installation of equipment into the James Webb Space Telescope requires patience and precision. To prepare for the installation of the actual flight equipment and ensure perfection in the installations, scientists need to practice with an identical test unit. Scientists...

News : Materials
Redesigned Material Could Lead to Lighter, Faster Electronics

The same material that formed the first primitive transistors more than 60 years ago can be modified in a new way to advance future electronics, according to a new study. Chemists at The Ohio State University have developed the technology for making a one-atom-thick sheet of...

News : Materials
Engineers Create Material for High-Performance 'Supercapacitor'

Taking a significant step toward improving the power delivery of systems ranging from urban electrical grids to regenerative braking in hybrid vehicles, researchers at the UCLA Henry Samueli School of Engineering and Applied Science have synthesized a material that shows high...

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Global Mission Offers Rainfall Measurement from Space

The Global Precipitation Measurement mission, or GPM, provides the next generation of rainfall measurements from space. The mission is designed to tap into the observational power of nine independent satellites flying around Earth, and combine their precipitation data into a single, global...

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Nanosponge Soaks Up Toxins Released by Bacterial Infections and Venom

A nanosponge invented by engineers at the University of California, San Diego can safely remove many dangerous toxins from the bloodstream, including those produced by MRSA, E. coli, poisonous snakes, and bees.

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DARPA Funds Research to Develop 3D Chip Cooling Technology

Researchers from the Georgia Institute of Technology have won a Defense Advanced Research Projects Agency (DARPA) contract to develop three- dimensional chip cooling technology able to handle heat loads as much as ten times greater than systems commonly used today. In addition to higher...