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The Lead

Energy Harvesting – Powerful Options for Remote Wireless Devices

April 14, 2014 4:20 pm | by Sol Jacobs, VP and General Manager, Tadiran Batteries | Articles | Comments

Wireless sensors are becoming increasingly essential to everyday life, with new applications emerging that offer enhanced system functionality, such as periodic two-way communications and remote shut-off capabilities. Satisfying the power-hungry demands of these devices requires the careful choice of a power management system... 

HotSpot 57: Standardizing The Internet of Things

April 7, 2014 12:06 pm | by Eric Sorensen, Coordinator of Multimedia Development | Videos | Comments

This week on WDD's HotSpot, an enhanced baseball experience with iBeacon technology;...

Photo of the Day: Perovskite Solar Cells

March 31, 2014 9:54 am | by Nalin Patel, University of Cambridge | News | Comments

A relatively new type of solar cell based on a perovskite material - named for scientist Lev...

Rainbow-Catching Waveguide could Revolutionize Energy Technologies

March 31, 2014 9:47 am | by Cory Nealon, University of Buffalo | News | Comments

More efficient photovoltaic cells. Improved radar and stealth technology. A new way to recycle...

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Meaghan's Minute: Combining the Powers of Renewables

March 27, 2014 12:12 pm | by Eric Sorensen, Coordinator of Multimedia Development | Videos | Comments

Today on Meaghan's Minute, brought to you by API Technologies, Dr. Kurt Rohrig from the Franhofer Institute for Wind Energy and Energy System Technology, believes if the strengths of wind, solar, and biogas are combined in a smart way...                       

Managing Renewables Intelligently

March 26, 2014 10:19 am | by Fraunhofer-Gesellschaft, Kurt Rohrig | News | Comments

Experts have already conducted a test showing that this setup does indeed work reliably in practice, having combined numerous wind parks, biogas and photovoltaic facilities delivering a total output of over 80 MW in a virtual combined-cycle power plant. Because small providers work together...                    

Toilet Tech Fair Tackles Global Sanitation Woes

March 24, 2014 10:32 am | by KATY DAIGLE, AP Environment Writer | News | Comments

Who would have expected a toilet to one day filter water, charge a cellphone, or create charcoal to combat climate change...                                 

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Meaghan's Minute: New Renewable Energy Source

March 21, 2014 12:06 pm | by Eric Sorensen, Coordinator of Multimedia Development | Videos | Comments

Today on Meaghan's Minute, brought to you by Memory Protection Devices, Harvard physicists have recently proposed a new device that would capture energy from Earth’s infrared emissions to outer space as a new, renewable energy source...                      

Nanotube Composites Increase Efficiency of Next-Gen Solar Cells

March 18, 2014 6:29 pm | by Umea University | News | Comments

Carbon nanotubes are becoming increasingly attractive for photovoltaic solar cells as a replacement to silicon. Researchers have discovered that controlled placement of the carbon nanotubes into nano-structures produces a huge boost in electronic performance...

'Vanishing' Electronics and Powerful Nanomaterials

March 18, 2014 2:29 pm | by American Chemical Society | News | Comments

Brain sensors and electronic tags that dissolve. Boosting the potential of renewable energy sources. These are examples of the latest research from two pioneering scientists. Tackling health and sustainability issues simultaneously, John Rogers, Ph.D., is developing a vast toolbox of materials...

Photos of the Day: World's Thinnest, Most Flexible Solar Cells

March 10, 2014 9:57 am | by Vienna University of Technology | News | Comments

It does not get any thinner than this: The novel material graphene consists of only one atomic layer of carbon atoms and exhibits very special electronic properties. As it turns out, there are other materials too, which can open up intriguing new technological possibilities if they are arranged in just one or very few atomic layers...

Atomically Thin Solar Cells

March 10, 2014 9:50 am | by Vienna University of Technology | News | Comments

It does not get any thinner than this: The novel material graphene consists of only one atomic layer of carbon atoms and exhibits very special electronic properties. As it turns out, there are other materials too, which can open up intriguing new technological possibilities if they are arranged in just one or very few atomic layers...

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Why is ZigBee Green?

March 5, 2014 3:04 pm | by Cees Links, CEO and Founder of GreenPeak, ZigBee Alliance Member | Blogs | Comments

One of the biggest challenges that consumers and service providers will have in the future is maintaining a wide range of sensor and control devices located throughout the Smart home. For ease of use and installation, it makes much more sense to have these powered by either batteries or by energy harvesting technologies...

Physics in 3D? That's Nothing. Try 0D

March 4, 2014 3:58 pm | by University of Cincinnati | News | Comments

Zero-dimensional quantum dots identified by University of Cincinnati researchers could someday have a big effect on a variety of technologies, such as solar energy, lasers and medical diagnostics. In physics, there's small, and then there's nullity – as in zero-dimensional...

Facebook Looks to Buy Solar Drone Company

March 4, 2014 3:50 pm | by The Associated Press | News | Comments

Facebook is in talks to buy Titan Aerospace, a maker of solar-powered drones, to step up its efforts to provide Internet access to remote parts of the world, according to reports from technology blog Techcrunch and financial news outlet CNBC. Both websites cited anonymous sources who are familiar with the deal...

Discovery to Make Solar Power Less Expensive, More Efficient

March 4, 2014 10:48 am | by University of Cincinnati | News | Comments

Researchers are reporting early results on a way to make solar-powered panels in lights, calculators and roofs lighter, less expensive, more flexible (therefore less breakable) and more efficient. Fei Yu, doctoral student in materials engineering, is experimenting with adding a small fraction of graphene nanoflakes to polymer-blend bulk-heterojunction solar cells...

Big Step for Next-Generation Fuel Cells and Electrolyzers

March 3, 2014 11:05 am | by Lawrence Berkeley National Laboratory | News | Comments

A big step in the development of next-generation fuel cells and water-alkali electrolyzers has been achieved with the discovery of a new class of bimetallic nanocatalysts that are an order of magnitude higher in activity than the target set by the U.S. Department of Energy for 2017...

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A Cavity That You Want

February 26, 2014 2:37 pm | by University at Buffalo | News | Comments

Associated with unhappy visits to the dentist, “cavity” means something else in the branch of physics known as optics. Put simply, an optical cavity is an arrangement of mirrors that allows beams of light to circulate in closed paths. These cavities help us build things like lasers and optical fibers used for communications...

Sensor-based Irrigation Systems Show Potential to Increase Greenhouse Profitability

February 25, 2014 12:05 pm | by American Society for Horticultural Science | News | Comments

Wireless sensor-based irrigation systems can offer significant benefits to greenhouse operators. Advances in sensor technology and increased understanding of plant physiology have made it possible for greenhouse growers to use water content sensors to accurately determine irrigation timing and application rates in soilless substrates.

Maximizing the Output Power from Thermoelectric Harvesters

February 20, 2014 4:45 pm | by Yogesh Ramadass, Electrical Design Engineer, Texas Instruments | Articles | Comments

Thermoelectric harvesters are a preferred medium to harvest electrical energy from ambient heat energy. Applications for these harvesters can be found in industrial and residential settings, along with the emerging wearable sensors market. While it is well-known that operating the...

Sub-GHz Wireless Design Choices for Smart Metering

February 19, 2014 3:43 pm | by Vivek Mohan, Senior Product Manager, Wireless Products, Silicon Labs | Articles | Comments

The worldwide focus on energy conservation in the last decade has led to tremendous growth in smart meter deployments, which help manage energy distribution and consumption more efficiently than traditional utility meters...                       

Nanoelectronics Key to Advances in Renewable Energy

February 18, 2014 10:49 am | by Arizona State University | News | Comments

Nanoscale technology looks promising as a major contributor to advancements needed to fulfill the potential of emerging sources of clean, renewable energy. Progress in the comparatively new area of nanoelectronics in particular could be the basis for new manufacturing processes...

Photos of the Day: Bootstrapping Holds the Key to Nuclear Fusion

February 14, 2014 10:20 am | by Malcolm Ritter, AP Science Writer | News | Comments

Scientists say they've taken a key step toward harnessing nuclear fusion as a new way to generate power, an idea that has been pursued for decades. They are still a long way from that goal. The amount of energy they got out of their experimental apparatus was minuscule compared to what they put into it...

Nuclear Fusion Project Takes Key Step in Lab Test

February 14, 2014 10:09 am | by Malcolm Ritter, AP Science Writer | News | Comments

Scientists say they've taken a key step toward harnessing nuclear fusion as a new way to generate power, an idea that has been pursued for decades. They are still a long way from that goal. The amount of energy they got out of their experimental apparatus was minuscule compared to what they put into it...

Huge US Thermal Plant Opens as Industry Grows

February 13, 2014 12:32 pm | by Brian Skoloff & Michael R. Blood, Associated Press | News | Comments

A windy stretch of the Mojave Desert once roamed by tortoises and coyotes has been transformed by hundreds of thousands of mirrors into the largest solar power plant of its type in the world, a milestone for a growing industry that is testing the balance between wilderness conservation and the pursuit of green energy across the American West...

Flat-pack Lens Boosts Solar Power

February 10, 2014 9:49 am | by Inderscience Publishers | News | Comments

Micro-machining could be used to create almost flat, Fresnel lenses, that boost the electrical efficiency of solar panels, according to researchers in China. Fresnel lenses were invented by French engineer and scientist Augustin-Jean Fresnel, in the early nineteenth century...

GVSU Incubator Develops Renewable Energy Device

December 6, 2013 9:36 am | by Dave Alexander, The Muskegon Chronicle | News | Comments

Grand Valley State University's Michigan Alternative and Renewable Energy Center has launched a number of upstart businesses, but breakthrough products have been few and far between. Energy Partners LLC founder and GVSU professor emeritus Jim Wolter thinks ...

Engineering Newswire: First Government-Recognized Cyborg Gets His Passport

December 6, 2013 9:26 am | by Eric Sorensen, Coordinator of Multimedia Development | Videos | Comments

Today on Engineering Newswire, we’re doodling working circuits, test firing new rocket engines, having fun being a Borg, and using your smartphone as a 3D scanner ...             

Infographic: Graphite: The Driving Force Behind Green Technology

December 4, 2013 11:56 am | by Lomiko Metals | News | Comments

An infographic delineates the driving force behind green technology.                                                                                                   

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