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...

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.

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...

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...

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...

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...

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...

Question of the Week
Can the Desktop PC Market Be Reinvigorated?

As consumers increasingly use cheaper, smaller tablets and smartphones, a recent IDC report showed that PC sales are down 14% year over year, and Apple's desktop sales are flat. PCs are still more powerful than competing computing devices, and still have a prominent role in the enterprise,...

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...

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...

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...

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...

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...

Robotic Insects Achieve Vertical Takeoff and Steering

Inspired by the biology of a fly, with submillimeter-scale anatomy and two wafer-thin wings that flap almost invisibly, 120 times per second, a tiny device from Harvard University researchers represents cutting-edge micromanufacturing and control systems.

Question of the Week
Would You Enjoy This Kind of Tech-free Weekend?

A new summer camp, called "Camp Grounded," invites over 200 adults to take a break from technology for a weekend. The retreat, which takes place near Anderson Valley, Calif., brings people together in a "summer camp" atmosphere. The rules are: No technology use, no cell phones allowed, and no...

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.

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.

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...

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...

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...

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.

On the Floor at SPIE Defense, Security & Sensing

The SPIE Defense Security & Sensing Show in Baltimore, which began on Monday and ends today, provided attendees with an exhibit hall full of new products and technologies. If you weren’t at the show, here’s some of what you missed:

LaserMotive (Kent, WA) had the first public flight...

Briefs: Software
Test Waveform Applications for JPL STRS Operating Environment

This software demonstrates use of the JPL Space Telecommunications Radio System (STRS) Operating Environment (OE), tests APIs (application programming interfaces) presented by JPL STRS OE, and allows for basic testing of the underlying hardware platform. This software uses the JPL...

Briefs: Medical
Functional Near-Infrared Spectroscopy Signals Measure Neuronal Activity in the Cortex

Functional near infrared spectroscopy (fNIRS) is an emerging optical neuroimaging technology that indirectly measures neuronal activity in the cortex via neurovascular coupling. It quantifies hemoglobin concentration ([Hb]) and thus measures the same...

Briefs: Physical Sciences
ESD Test Apparatus for Soldering Irons

ESDA (Electrostatic Discharge Association) ESD STM 13.1-2000 requires frequent testing of the voltage leakage from the tip of a soldering iron and the resistance from the tip of the soldering iron to the common point ground. Without this test apparatus, the process is time-consuming and requires several...

Briefs: Physical Sciences
Pneumatic Proboscis Heat-Flow Probe

Heat flow is a fundamental property of a planet, and provides significant constraints on the abundance of radiogenic isotopes, the thermal evolution and differentiation history, and the mechanical...

Briefs: Information Technology
Sequential Probability Ratio Test for Spacecraft Collision Avoidance Maneuver Decisions

A document discusses sequential probability ratio tests that explicitly allow decision-makers to incorporate false alarm and missed detection risks, and are potentially less sensitive to modeling errors than a procedure that relies solely on a probability of...

Briefs: Physical Sciences
FPGA-Based X-Ray Detection and Measurement for an X-Ray Polarimeter

This technology enables detection and measurement of x-rays in an x-ray polarimeter using a field-programmable gate array (FPGA). The technology was developed for the Gravitational and Extreme Magnetism Small Explorer (GEMS) mission. It performs precision energy and timing...

Briefs: Information Technology
Cursor Control Device Test Battery

The test battery was developed to provide a standard procedure for cursor control device evaluation. The software was built in Visual Basic and consists of nine tasks and a main menu that integrates the set-up of the tasks. The tasks can be used individually, or in a series defined in the main menu.