Polls

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...

Videos

SmartHome: Built to Save

The Cleveland Museum of Natural History and The SmartHome Project

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