From the editor in chief
Gas-electric cars are transforming the auto industry. Toyota's head start has Detroit scrambling to catch up.
For all the buzz about future highways filled with hydrogen-powered fuel-cell cars, the technological-and environmental-high ground will belong to gasoline-electric hybrids for decades to come.
More research on nuclear waste storage won't reassure the public
News from around campus
Software that adds a layer of secret data provides a more versatile digital watermark to authenticate electronically transmitted images.
Need power but don't want to plug into a central electrical utility? Microturbines are flexing their muscles in niche applications.
Hot plasmas could dispose of toxic waste and produce hydrogen, without the harmful byproducts of combustion.
Concerns over particle dangers could slow nanotech's growth.
New hope for extracting natural gas from solid formations adds a hopeful ingredient to the energy future.