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Plasmonic Crystal Alters To Match Light-Frequency Source

Gems are known for the beauty of the light that passes through them. But it is the fixed atomic arrangements of these crystals that determine which light frequencies are permitted passage. Now a Sandia-led team has created a plasmonic, or plasma-containing, crystal that is tunable. The...

Rice University scientists have created a highly sensitive portable sensor to test the air for the most damaging greenhouse gases. The device, created by Rice engineer and...

Sunlight drives nearly all life on Earth, and scientists want to develop ways for it to power civilization as well. Now researchers suggest that a relatively simple,...

Tom Flatley, computer engineer and current head of the Science Data Processing Branch at Goddard Space Flight Center, leads a group of engineers and programmers in...

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Electrical Current Sensors Harvest Wasted Electromagnetic Energy

New smart sensors produce large and clear output voltage signals, which are 2,000 times higher than the traditional current sensors.

Measuring about 1 mm in thickness, the chip can be placed on any sensing point of interest such as electrical cables, conductors,...

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NASA Laser Technology Tracks Earth's Ice Sheets

A photon-counting technique will allow NASA researchers to track the melt or growth of Earth’s frozen regions.

CESat-2 is tasked with measuring elevation across Earth's entire surface, including vegetation and oceans, but with a focus on change in the frozen areas of the planet, where...

Researchers have been using 3D technology from the film industry to analyze the everyday movements of stroke patients. The results indicate that computerized motion analysis...

A team of researchers with the U.S. Department of Energy (DOE)’s Lawrence Berkeley National Laboratory (Berkeley Lab) has demonstrated a micro-sized robotic torsional...

Since MIT spinout Atlas Devices’ flagship product, the Atlas Powered Rope Ascender (APA), first hit the market in 2007, it’s been touted as a real-world version of Batman’s famed utility-belt...

Question of the Week
Are Driverless Cars Safer?

Major car companies have showcased their latest prototypes at this month's International Consumer Electronics Show. BMW and Audi, for example, unveiled their driverless car technology and conducted demonstrations. Researchers and makers of driverless cars say the technology will be far safer than people-driven...

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Electrical Generator Harnesses Power of Evaporating Water

A new type of electrical generator uses bacterial spores to harness the untapped power of evaporating water, according to research conducted at the Wyss Institute of Biologically Inspired Engineering at Harvard University. Its developers foresee electrical generators driven by changes in...

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Researchers Create 3D-Printed Soil

Soil scientists at Abertay University are using 3D printing technology to find out, for the very first time, exactly what is going on in the world beneath our feet.

The detailed plastic cubes are replicas of the structure of the soil, and are being used by the scientists as experimental systems in the...

News
Research Develop 'E-Whisker' Tactile Sensors

Researchers with Berkeley Lab and the University of California (UC) Berkeley have created tactile sensors from composite films of carbon nanotubes and silver nanoparticles similar to the highly sensitive whiskers of cats and rats. The new e-whiskers respond to pressure as slight as a single Pascal,...

As the military use of unmanned aircraft systems has increased dramatically, including by entities that may pose a threat to the United States, scientists at Picatinny Arsenal are part of the...

The modern avionics system that will guide the most powerful rocket ever built was integrated and powered up for an inaugural run. When completed, the Space Launch System (SLS) will be capable...

Which climate effects do clouds have? Under what conditions do they warm or cool the atmosphere? The research aircraft HALO (High Altitude and Long Range Research Aircraft) is measuring...

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Carbon Nanotube Sponge Improves Water Clean-Up

Carbon nanotube (CNT) sponges, uniquely doped with sulphur, demonstrated a high capacity to absorb both wastewater and oil, potentially opening up the possibility of using the material in industrial accidents and oil spill clean-ups.

CNTs are hollow cylindrical structures composed of a single...

News
Bio-Bots Swim by Themselves

Engineers developed the first tiny, synthetic machines that can swim by themselves, powered by beating heart cells.

The bio-bots are modeled after single-celled creatures with long tails called flagella – for example, sperm. The researchers begin by creating the body of the bio-bot from a flexible polymer. Then...

Question of the Week
Will 'Digital Guardians' Improve Security?

In December of 2013, IBM predicted that "in five years, each of us could be protected with our own digital guardian that will become trained to focus on the people and items it is entrusted with, offering a new level of identity theft protection." A program, for example, can learn your online habits to...

News
Engineers Create Light-Activated ‘Curtains’

A new development by researchers at the University of California, Berkeley, could lead to curtains and other materials that move in response to light, no batteries needed.

A team led by Ali Javey, associate professor of electrical engineering and computer sciences, layered carbon nanotubes –...

News
Arm Sensors 'Read' Muscle Movements

Using arm sensors that can “read” a person’s muscle movements, Georgia Institute of Technology researchers have created a control system that makes robots more intelligent. The sensors send information to the robot, allowing it to anticipate a human’s movements and correct its own. The system is...

News
Building ‘Belt’ Repairs Earthquake Damage

A ‘belt’ technology offers cheap and quick repair of earthquake-damaged buildings.

Metal straps are wrapped around each floor of the building, and the straps are then tensioned either by hand or using compressed air tools. The technology is designed for use on reinforced concrete frame...

News
Micro-Windmills Recharge Cell Phones

A UT Arlington research associate and electrical engineering professor have designed a micro-windmill that generates wind energy. The technology may improve cell phone batteries constantly in need of recharging and home energy generation where large windmills are not preferred.

Smitha Rao and J.-C. Chiao...

Question of the Week
Can Personalized Cognitive Technology Improve Education?

In December of 2013, IBM predicted that cloud-based cognitive technology would personalize education for students within five years. IBM is already testing out the idea in a Georgia public school district serving 170,000 students. Known as Personalized Education Through Analytics on...

Electronic tongues can become an ally of the wine grower by measuring the detailed degree of maturation and improving competitiveness. Researchers at the Polytechnic University of Valencia applied...

NASA completed a series of high-tech can-crushing tests involving an enormous fuel tank crumbling under the pressure of almost a million pounds of force, all in the name of building...

News
Laser Doping Method Enables New Infrared Imaging Systems

A new system developed by researchers at five institutions, including MIT, could eliminate many the limitations on infrared light detectors. Infrared detectors could form imaging arrays for security systems, or solar cells that harness a broader range of sunlight’s energy.

The new...

News: Electronics & Computers
Engineers Create Transparent Semiconductors

Teams from Stanford and the University of Nebraska-Lincoln have collaborated to make thin, transparent semiconductors that could become the foundation for cheap, high-performance displays.

The researchers used their new process to make organic thin-film transistors with electronic characteristics...

News
'Vapor Nanobubble' Technology Detects Malaria

Rice University researchers have developed a noninvasive technology that accurately detects low levels of malaria infection through the skin in seconds with a laser scanner. The “vapor nanobubble” technology requires no dyes or diagnostic chemicals, and there is no need to draw blood.

The new...

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