After months of gloom, the U.S. stimulus package could kick-start some projects.
Zhong Lin Wang thinks piezoelectric nanowires could power implantable medical devices and serve as tiny sensors.
Donald Sadoway conceived of a novel battery that could allow cities to run on solar power at night.
A new reactor design could make nuclear power safer and cheaper, says John Gilleland.
Turning organic waste into hydrogen now works without expensive platinum.
A new light-guiding optic combines low cost with high efficiency.
An "adaptive" engine promises to make ethanol more competitive.
The Congressional stimulus bill could help create a new, advanced battery industry in the United States.
Pollutants emitted as a result of corn biofuel production could have serious impacts.
Researchers use a running rodent to test their device.