GE says its new machine could make the hydrogen economy affordable, by slashing the cost of water-splitting technology.
Helen Greiner of iRobot talks about how the company's Roomba vacuum cleaner succeeded -- and why they don't have competitors.
A look under the hood and inside the battery of the world’s best-selling gas-electric hybrid car.
The EC is proposing a European Institute of Technology, but many are giving the ambitious idea a failing grade.
RFID tags could greatly increase port security by tracking international cargo -- but no one wants to pay for them.
The U.S. Army is testing medical sensors that can monitor everything from sleep patterns to whether a soldier is injured.
New tricks with light and lenses could produce the smallest microprocessors -- without revamping the industry.
With GE’s new plastic, self-washing buildings, cheap diagnostic chips, and free-flowing honey jars are possible.
As President Bush talks up the need for more research, scientists are making advances in hybrids and all-electric vehicles.
A biotech startup says its genetic engineering method could turn plants into cheap ethanol producers within five years.