September/October 2011
Editorial
The right way to nurture start-ups
The recent Chapter 11 collapse of a solar energy company called Solyndra, which received a $535 million loan guarantee from the U.S. DoE, unfortunately,...
Features
The energy efficient machine tool
When the topic of energy efficiency comes up, energy-efficient machine tools don't typically spring to mind. Yet machine tools contain motors and auxiliary...
The fundamentals of energy harvesting design
The proliferation of power-miser sensors, microcontrollers and RF transceivers is ushering in wireless sensor networks powered exclusively or supplemented...
Out of the frying pan, into the fire? No problem for silicon carbide ICs
Engineers familiar with silicon-based semiconductors sometimes have a hard time wrapping their heads around silicon carbide electronics. The reason: It...
The basics of COLOR TEMPERATURE
As the world transitions away from ordinary incandescent lighting and toward more energy-efficient light sources, the topic of light-source color temperature...
HVDC pumps-up the power
The demand for clean, renewable energy is changing the face of the power industry. For example, to get power from off-shore wind farms, rather than converting...
Legislation
First, the good news
At the Center for the Built Environment, at the University of California at Berkeley, researchers have been working out ways to make people comfortable...
Energy Shorts
Coming: More efficient thermoelectric generators, thanks to nanocomposites
You can add nanocomposites to the list of materials that will turn heat into electricity. Researchers at the Massachusetts Institute of Technology will...
IEDM 2011 highlights energy harvesting
The 2011 IEEE International Electron Devices Meeting (IEDM), to be held December 5-7 in Washington, D.C., will include a major emphasis on circuit-device...
Smartphone apps support energy efficiency
App determines best spot for solar panels The SunFinder app from developer Luca Polverini is designed to help users discover how much energy they can...
COMPANY NEWS
Megawatt-level battery Viridity Energy, Philadelphia, has selected Saft North America to supply megawatt-level energy storage for the Southeastern Pennsylvania...
LETTERS TO THE EDITOR
Appliances that don't do the job A colleague of mine recently pointed out your editorial (Washing machines that don't wash, July/August). I had a an encounter...
Energy Figures
Energy Figures of the Month
As electric vehicles (EVs) become practical as alternatives to gas-guzzling cars, attention is turning to support structures, including convenient and accessible charging stations. ...
Invention of the Month
Circuit topology boosts power density in power conversion platforms
A new circuit topology from CUI Inc. helps engineers get in synch with the four major trends in power conversion devices: higher power densities, more...
Energy Myths
The good news on solar power
The Energy Dept. took the time to debunk what it sees as common misconceptions about solar power. And no, we're not talking about the theory that solar...
Debunking the debunking: Smart Meters
Bruce Land, an avid EE&T reader, as well as a senior engineer at Johns Hopkins University's Applied Physics Lab, came up with a set of counter-myths about...








