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Terahertz tech gets a major push

June 25, 2014 7:45 am | by Mike Williams, Rice Univ. | News | Comments

Rice Univ. scientists have received a grant to develop terahertz-based technology that could enable a dramatic advance in wireless communications and other disciplines. The $1 million grant by the W.M. Keck Foundation will let them tackle some of the knotty problems barring them from using the largely untapped terahertz region of the electromagnetic spectrum. Rice will supplement the grant with a $1.5 million commitment.

Wearable computing gloves can teach Braille

June 24, 2014 8:12 am | by Jason Maderer, Georgia Institute of Technology | News | Comments

Several years ago, Georgia Institute of Technology researchers created a technology-enhanced glove that can teach beginners how to play piano melodies in 45 min. Now they’ve advanced the same wearable computing technology to help people learn how to read and write Braille. The twist is that people wearing the glove don’t have to pay attention. They learn while doing something else.

Researchers unveil experimental 36-core chip

June 23, 2014 7:38 am | by Larry Hardesty, MIT News Office | News | Comments

The more cores a computer chip has, the bigger the problem of communication between cores becomes. For years, Li-Shiuan Peh, a professor of electrical engineering and computer science at Massachusetts Institute of Technology, has argued that the massively multicore chips of the future will need to resemble little Internets, where each core has an associated router, and data travels between cores in packets of fixed size.

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Making smartphones smarter

June 19, 2014 10:29 am | by Lyndsay Meyer, The Optical Society | News | Comments

Your smartphone’s display glass could soon be more than just a pretty face, thanks to new technology developed by researchers from Corning Inc. The team has created the first laser-written light-guiding systems that are efficient enough to be developed for commercial use.

Energy-level alignment at metal/organic interfaces: Tying up the loose ends

June 19, 2014 8:33 am | News | Comments

Organic semiconductors have tremendous potential for complementing conventional, inorganic semiconductors, but energy losses or barriers at the connection interfaces have blocked development efforts. Physicists have now implemented a detailed electrostatic model which is capable of covering the full phenomenological range of interfacial energy-level alignment regimes within a single, consistent framework.

A new way to detect leaks in pipes

June 19, 2014 8:09 am | by David L. Chandler, MIT News Office | News | Comments

Explosions caused by leaking gas pipes have frequently made headlines in recent years. But while the problem of old and failing pipes has garnered much attention, methods for addressing such failing infrastructure have lagged far behind. Typically, leaks are found using aboveground acoustic sensors. But these systems are very slow, and can miss small leaks altogether. Now researchers have devised a robotic system that can detect leaks.

Smartphone adapted to measure person’s gait, reduce falls

June 17, 2014 8:01 am | by Emil Venere, Purdue Univ. | News | Comments

Researchers have shown how to modify a smartphone so that it can be used to measure a person's walking gait to prevent falls in people with compromised balance, such as the elderly or those with Parkinson's disease. The innovation, being commercialized as SmartGait, is designed as a tool to aid health care officials in assessing a person's risk of falling and identifying ways to avoid injury.

Sensor in eye could track pressure changes, monitor glaucoma

June 16, 2014 2:21 pm | by Michelle Ma, Univ. of Washington | News | Comments

Your eye could someday house its own high-tech information center, tracking important changes and letting you know when it’s time to see an eye doctor. Univ. of Washington engineers have designed a low-power sensor that could be placed permanently in a person’s eye to track hard-to-measure changes in eye pressure.

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Altera, Lime Microsystems team up to advance wireless networks

June 16, 2014 12:08 pm | News | Comments

Altera Corp. of California and Lime Microsystems, a radio frequency transceiver developer in the U.K. have entered into a Strategic Cooperation Agreement focused on jointly developing and promoting programmable solutions for a diverse range of broadband wireless markets. The agreement will result in the development of optimized field programmable radio frequency (FPRF) transceivers and other digital RF solutions.

Wireless companies put up more "stealth" towers

June 13, 2014 12:15 pm | by Barbara Rodriguez - Associated Press - Associated Press | News | Comments

One might be hidden in a cross on a church lawn. Others are disguised as a cactus in the desert, a silo in farm country or a palm tree reaching into a sunny sky. Whatever the deception, the goal is the same: concealing the tall, slender cellphone towers that most Americans need but few want to see erected in their neighborhoods.

Crossing the goal line: New tech tracks football in 3-D space

June 13, 2014 9:15 am | by Matt Shipman, News Services, North Carolina State Univ. | News | Comments

Referees may soon have a new way of determining whether a football team has scored a touchdown or gotten a first down. Researchers from North Carolina State Univ. and Carnegie Mellon Univ., in collaboration with Disney Research, have developed a system that can track a football in 3-D space using low-frequency magnetic fields.

New circuit design functions at temperatures greater than 650 F

June 13, 2014 8:16 am | News | Comments

Engineers at the Univ. of Arkansas have designed integrated circuits that can survive at temperatures greater than 350 C—or roughly 660 F. The team achieved the higher performance by combining silicon carbide with wide temperature design techniques. In the world of power electronics and integrated circuits, their work represents the first implementation of a number of fundamental analog, digital and mixed-signal blocks.

Physicians use Goggle Glass to teach surgery abroad

June 12, 2014 9:21 am | by Rachel Champeau, University of California, Los Angeles | News | Comments

Imagine watching a procedure performed live through the eyes of the surgeon. That’s exactly what surgical leaders in the U.S. were able to do while overseeing surgeons training in Paraguay and Brazil with the help of UCLA doctors and Google Glass. UCLA surgeon Dr. David Chen and surgical resident Dr. Justin Wagner have made it their mission to teach hernia surgery around the world and are harnessing the latest technologies to help.

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Researchers introduce new benchmark for field-effect transistors

June 11, 2014 3:32 pm | News | Comments

At the 2014 Symposium on VLSI Technology in Triangle Park, N.C., researchers from the Univ. of California, Santa Barbara introduced the highest-performing class III-V metal-oxide semiconductor field-effect transistors (MOSFETs) yet demonstrated. The new MOSFETs exhibit, in an industry first, on-current, off-current and operating voltage comparable to or exceeding production silicon devices, while also staying relatively compact.

Crystal IS introduces Optan LED technology

June 11, 2014 3:15 pm | Product Releases | Comments

Crystal IS has introduced Optan, the first commercial semiconductor based on native aluminum nitride (AIN) substrates. Optan increases detection sensitivity from monitoring of chemicals in pharma manufacturing to drinking water analysis.

Nanoscale structure could boost memory performance for computer chips

June 5, 2014 12:35 pm | by Matthew Chin, UCLA | News | Comments

Researchers in California have created a nanoscale magnetic component for computer memory chips that could significantly improve their energy efficiency and scalability. The design brings spintronics one step closer to being used in computer systems by adopting a new strategy called “spin-orbit torque” that eliminates the need for a magnetic field for switching processes.

Are squiggly lines the future of password security?

June 5, 2014 9:16 am | Videos | Comments

The need for robust password security has never been more critical than now, as people use smartphones or tablets to pay bills and store personal information. A new Rutgers study shows that free-form gestures can be used to unlock phones and grant access to apps. These gestures are less likely to be observed and reproduced than than traditional methods such as typed passwords.

Cutting the Cord

June 4, 2014 2:14 pm | by Paul Livingstone | Thermo Fisher Scientific | Articles | Comments

In the last 10 years, the presence of wireless technology has blossomed in the industrial and manufacturing space, where a multitude of technologies, from Bluetooth to Zigbee to RFID, have been successfully employed to monitor conditions of machinery, products under assembly and the work force.

Optimizing Graphene Characterization

June 4, 2014 12:41 pm | by Lishan Weng, Applications Engineer, Keithley Instruments Inc. | Articles | Comments

Before 2004, when Geim and Novoselov demonstrated the existence of graphene, a single-atomic-layer-thick crystal of carbon, physicists didn’t believe such a substance could exist. Since then, graphene has attracted tremendous research interest because of its exceptional physical and electrical properties.

New prototype transistor consumes little power

June 4, 2014 7:37 am | News | Comments

The basic element of modern electronics, namely the transistor, suffers from significant current leakage. By enveloping a transistor with a shell of piezoelectric material, which distorts when voltage is applied, researchers in the Netherlands were able to reduce this leakage by a factor of five compared to a transistor without this material.

Controlling thermal conductivities can improve energy storage

June 4, 2014 7:30 am | by Rick Kubetz, Univ. of Illinois | News | Comments

Materials that control heat flow are available with both high and low conductivities, but materials with variable and reversible thermal conductivities are rare. For the first time, researchers at the Univ. of Illinois have experimentally shown that the thermal conductivity of lithium cobalt oxide, an important material for electrochemical energy storage, can be reversibly electrochemically modulated over a considerable range.

Lasers and night-vision technology help improve imaging of hidden lymphatic system

June 3, 2014 11:14 am | News | Comments

The human lymphatic system is a poorly understood circulatory system consisting of tiny vessels spread throughout the body. These vessels are filled with lymph, a clear liquid that lacks the natural contrast needed to show up on CT scanners or MRIs. A new technology developed in Texas can non-invasively image the human lymphatic system using a fluorescent dye, commercial laser dioded, and military-grade night vision devices.

Simple sewing machine has high-tech role in future “soft” machines

June 3, 2014 7:50 am | by Emil Venere, Purdue Univ. | News | Comments

The humble sewing machine could play a key role in creating "soft" robotics, wearable electronics and implantable medical systems made of elastic materials that are capable of extreme stretching. New stretchable technologies could lead to innovations including robots that have human-like sensory skin and synthetic muscles and flexible garments that people might wear to interact with computers or for therapeutic purposes.

Think fast, robot

May 30, 2014 9:01 am | by Larry Hardesty, MIT News Office | News | Comments

One of the reasons we don’t yet have self-driving cars and miniature helicopters delivering online purchases is that autonomous vehicles tend not to perform well under pressure. A system that can flawlessly parallel park at 5 mph may have trouble avoiding obstacles at 35 mph. Part of the problem is the time it takes to produce and interpret camera data.

New laser sensing technology could support self-driving cars, smartphone tech

May 29, 2014 11:50 am | News | Comments

A new twist on 3-D imaging technology could one day enable your self-driving car to spot a child in the street half a block away or play “virtual tennis” on your driveway. The new system, developed by researchers at the Univ. of California, Berkeley, can remotely sense objects across distances as long as 30 feet, 10 times farther than what could be done with comparable current low-power laser systems.

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