Discussions
GE Stalls Solar Factory Construction
It says it needs to improve its thin-film solar panel technology to compete.
Why Publishers Don't Like Apps
The future of media on mobile devices isn’t with applications but with the Web.
Microgrid Keeps the Power Local, Cheap, and Reliable
A California jail offers a glimpse of the economic and environmental benefits of locally generated energy.
Hydrogen Storage Could Be Key to Germany's Energy Plans
No other means of storing energy may be able to reach the scale required to run Germany on solar and wind power.
Atmosphere Above Japan Heated Rapidly Before M9 Earthquake
Infrared emissions above the epicenter increased dramatically in the days before the devastating earthquake in Japan, say scientists.
Ultra-Efficient Solar Power
Doubling the efficiency of solar devices would completely change the economics of renewable energy. Here is a design that just might make it possible.
A123 Has Four to Five Months of Cash Left
The electric vehicle battery maker edges closer to bankruptcy.
A Rising Sun for Renewable Energy
Japan is desperately trying to replace its nuclear-power capacity with renewables. It still has a long way to go.
The Woman Charged with Making Windows 8 Succeed
In a Q&A, Julie Larson-Green explains why Microsoft felt it was necessary to rethink an operating system used by 1.2 billion people.
The Crisis in Higher Education
Online versions of college courses are attracting hundreds of thousands of students, millions of dollars in funding, and accolades from university administrators. Is this a fad, or is higher education about to get the overhaul it needs?