A new generation of micromachines could transform everything from eye surgery to cell-phone reception.
Japan's strategy: enhance conventional devices
Photo sharing emerges as one of the fastest-growing Web applications.
Researchers in Sweden have smashed through previous Internet speed records, sending 840 gigabytes (the equivalent of about 200 DVD movies) in less than 30 minutes.
Procter and Gamble's Sandra R. Hughes on whether radio identification tags are a threat to privacy.
A look at some of the building technologies that are enabling new skyscrapers to shatter height records.
Tablet PCs are convenient and cleverly designed, but there's no need to trash your old laptop just yet.
Blood tests that detect cancer in its early stages would save countless lives. The first could arrive within a year.
Breakthroughs in nanotech are making it possible to churn out cheap, flexible solar cells by the meter. Soon your cell phone may be powered by the sun.
Robotics inventor Stephen Jacobsen demonstrates an exoskeleton that provides superhuman strength.