Gadgets that let you control computers with a wave or a nod could offer an escape from keyboards and mice.
Japan promotes first mass use in residences
Add Wi-Fi access to garbage collection and police protection as services that that many municipalities now regard as essential amenities.
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.