From the editor
Determina's software provides maintenance-free protection against computer worms.
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.