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The Lead

GaN Systems to Show New Gallium Nitride High Power Transistors

September 15, 2014 3:02 pm | by GaN Systems | News | Comments

GaN Systems is showcasing its range of gallium nitride power transistors based on its proprietary Island Technology, which produces highly efficient, smaller transistors at lower cost than traditional silicon MOSFETs and IGBTs...

HotSpot Episode 80: Space Rotation Algorithm

September 15, 2014 10:26 am | by Eric Sorensen, Coordinator of Multimedia Development | Videos | Comments

This week in WDD's HotSpot, discovering a hidden stonehenge with remote sensing...

A Smart Fluorescent Antenna for Wi-Fi Applications

September 9, 2014 9:08 pm | by Universiti Teknologi MARA (UiTM) | News | Comments

A new invention uses ionized gas in fluorescent light tubes to transmit Internet wireless...

Battery-Free Pace Maker Adapts Power from Swiss Watches

September 8, 2014 10:41 am | by Eric Sorensen, Coordinator of Multimedia Development | Videos | Comments

This week on WDD's HotSpot, brought to you by SanDisk, Google's Project Wing uses drone...

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Wind Energy Cuts the Electricity Bill

September 3, 2014 2:26 pm | by University of the Basque Country | News | Comments

  The promoting of renewable energy is at the heart of the current debate on energy policy. From an economic perspective, the question focusses on determining the cost of the feed-in tariff systems. Firstly, whether the incentives are as expensive as has been maintained...

New Synthesis Method May Shape Future of Nanostructures, Clean Energy

September 2, 2014 2:17 pm | by University of Maryland | News | Comments

A team of physicists has published new nanoscience advances that they and other scientists say make possible new nanostructures and nanotechnologies with huge potential applications ranging from clean energy and quantum computing advances to new sensor development...

A Smooth Take-Off and Landing on Energy Savings

August 26, 2014 1:03 pm | by Cheryl De Los Santos, Leviton Manufacturing | Articles | Comments

The Wayne County Airport Authority (WCAA) operates Detroit’s Metropolitan Wayne County Airport and nearby Ypsilanti’s Willow Run Airport. Throughout its history, WCAA has invested in numerous capital improvement projects to enhance the travel experience. Recently it sought to improve behind the scenes operations...

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The Power of Salt

August 20, 2014 11:54 am | by Massachusetts Institute of Technology | News | Comments

Where the river meets the sea, there is the potential to harness a significant amount of renewable energy, according to a team of mechanical engineers at MIT. The researchers evaluated an emerging method of power generation called pressure retarded osmosis, in which two streams of different salinity are mixed to produce energy...

Pushing the Boundaries of Efficiency

August 18, 2014 2:06 pm | by Duke University | Videos | Comments

Pratt’s Eco-Marathon team participated in the Shell Eco-Marathon in Texas this past April and performed better than they ever have. They placed second in the prototype-battery electric car competition, beating out nearly ...    

Recycling Batteries into Solar Cells

August 18, 2014 2:00 pm | by David Chandler, MIT News Office | News | Comments

This could be a classic win-win solution: A system proposed by researchers at MIT recycles materials from discarded car batteries — a potential source of lead pollution — into new, long-lasting solar panels that provide emissions-free ...

Running on Waste Heat

August 11, 2014 1:16 pm | by MIT | News | Comments

It’s estimated that more than half of U.S. energy — from vehicles and heavy equipment, for instance — is wasted as heat. Mostly, this waste heat simply escapes into the air. But that’s beginning to change, thanks to ...    

Fusion Power in Our Future: Students Attend Science Research Camp

August 8, 2014 2:55 pm | by Ed Barmakian, The Altrernative Press | News | Comments

Dr. Sophia Gershman predicts that in 20 years there will be a practical use for fusion-produced energy fueled by plasma. Gershman is confident that it will happen because she sees the progress first-hand as a research associate at the Princeton Plasma Physics Laboratory...

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LEDs Made From 'Wonder Material' Perovskite

August 6, 2014 10:38 am | by University of Cambridge | News | Comments

A hybrid form of perovskite - the same type of material which has recently been found to make highly efficient solar cells that could one day replace silicon - has been used to make low-cost, easily manufactured LEDs, potentially opening up a wide range of ...

Used Cigarette Butts Offer Energy Storage Solution

August 5, 2014 9:30 pm | by Institute of Physics | News | Comments

A group of scientists from South Korea have converted used-cigarette butts into a high-performing material that could be integrated into computers, handheld devices, electrical vehicles and wind turbines to store ...                  

Photos of the Day: The World's Fastest Solar-Powered Car Goes Off-Road

August 4, 2014 11:33 am | by Nuon Solar Team | News | Comments

Nuna, the world’s fastest solar-powered car, found itself amidst a parade of zebras and giraffes, and even encountered several cheetahs. In the wild, these cheetahs can run about as fast as Nuna drives during a solar-powered race – approximately ...

'Wetting' a Battery's Appetite for Renewable Energy Storage

August 4, 2014 10:49 am | by DOE/Pacific Northwest National Laboratory | News | Comments

Sun, wind and other renewable energy sources could make up a larger portion of the electricity America consumes if better batteries could be built to store the intermittent energy for cloudy, windless days. Now a new material could allow more utilities to store large amounts...

All-in-One Energy System Offers Greener Power

July 31, 2014 9:57 am | by Engineering and Physical Sciences Research Council | News | Comments

An innovative 'trigeneration' system fuelled entirely by raw plant oils could have great potential for isolated homes and businesses operating outside grid systems both in the UK and abroad. The small-scale combined cooling, heat and power system has been designed to provide dependable electricity...

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Self-Cooling Solar Cells Boost Power, Last Longer

July 22, 2014 12:37 pm | by The Optical Society | News | Comments

Scientists may have overcome one of the major hurdles in developing high-efficiency, long-lasting solar cells—keeping them cool, even in the blistering heat of the noonday Sun. By adding a specially patterned layer of silica glass to the surface of ordinary solar cells...

Improving the Cost and Efficiency of Renewable Energy Storage

July 17, 2014 12:53 pm | by Ecole Polytechnique Fédérale de Lausanne | News | Comments

A major challenge in renewable energy is storage. A common approach is a reaction that splits water into oxygen and hydrogen, and uses the hydrogen as a fuel to store energy. The efficiency of 'water splitting' depends heavily on a solid substance called a catalyst...

New Materials for Future Green Tech Devices

July 15, 2014 5:35 pm | by American Institute of Physics | News | Comments

From your hot car to your warm laptop, every machine and device in your life wastes a lot of energy through the loss of heat. But thermoelectric devices, which convert heat to electricity and vice versa, can harness that wasted heat, and possibly provide the green tech energy efficiency that's needed for a sustainable future...

Inventor Pushes Solar Panels for Roads, Highways

July 14, 2014 12:38 am | by Nicholas K. Geranios, Associated Press | News | Comments

The solar panels that Idaho inventor Scott Brusaw has built aren't meant for rooftops. They are meant for roads, driveways, parking lots, bike trails and, eventually, highways. Brusaw, an electrical engineer, says the hexagon-shaped panels can withstand the wear and tear...

The New Atomic Age: Building Smaller, Greener Electronics

July 7, 2014 7:03 pm | by University of Alberta | News | Comments

In the drive to get small, Robert Wolkow and his lab at the University of Alberta are taking giant steps forward.The digital age has resulted in a succession of smaller, cleaner and less power-hungry technologies since the days the personal computer fit atop a desk...

HotSpot 70: Shark Detecting Buoy

July 7, 2014 10:46 am | by Eric Sorensen, Coordinator of Multimedia Development | Videos | Comments

This week on WDD's HotSpot, brought to you by Memory Protection Devices, a new LED Bulb that can be controlled from anywhere; a wireless tool to help you hold hands at a distance; a remote tower for air traffic services; and a clever buoy that detects sharks before they attack...                          

NREL Supercomputer Tackles Grid Challenges

July 2, 2014 9:21 am | by National Renewable Energy Laboratory | News | Comments

"Big data" is playing an increasingly big role in the renewable energy industry and the transformation of the nation's electrical grid, and no single entity provides a better tool for such data than the Energy Department's Energy Systems Integration Facility located on the campus of the National Renewable Energy Laboratory...

12 of the Highest Paid Engineers on the Planet

July 1, 2014 12:55 pm | by JF Stackhouse, Engineerjobs.com | Blogs | Comments

The surest path to wealth and fortune may be an electrical engineering degree. Every year, Fortune ranks the top five hundred American corporations by adjusted gross revenue. Here are this year’s Fortune 50 CEOs who made their start where ...

Electrostatics Do the Trick

June 24, 2014 12:48 am | by Helmholtz-Zentrum Berlin für Materialien und Energie | News | Comments

Organic semiconductors allow for flexible displays, solar cells, and other interesting applications. One common problem in these devices, however, is the interface between the metallic contacts and the organic semiconductor material, where undesirable losses occur.

Collecting Light with Artificial Moth Eyes

June 18, 2014 2:33 pm | by Swiss Federal Laboratories for Materials Science and Technology (EMPA) | News | Comments

All over the world researchers are investigating solar cells which imitate plant photosynthesis, using sunlight and water to create synthetic fuels such as hydrogen. Empa researchers have developed such a photoelectrochemical cell, recreating a moth’s eye to drastically increase...

Photos of the Day: 15 MW Test Rig Drive Unit Weighs 400 Tons

June 17, 2014 10:27 am | by Melissa Fassbender, Associate Editor | News | Comments

With a total weight of two million pounds, and blades as long as 400 feet, a single 15 mega-watt wind turbine would be able to power nearly 3,900 homes. Unfortunately, they don’t exist ... yet ...       

Testing the World’s Largest Wind Turbines

June 17, 2014 10:26 am | by Melissa Fassbender, Associate Editor | News | Comments

With a total weight of two million pounds, and blades as long as 400 feet, a single 15 mega-watt wind turbine would be able to power nearly 3,900 homes. Unfortunately, they don’t exist ... yet ...       

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