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From the editor
Insights and opinions from our readers
Who needs spiders? An arachnoid-mimicking device turns out strong, light, flexible fibers.
A powered elbow brace developed at MIT allows patients with spinal-cord injuries to bend and extend their arms under their own control.
A free program called Dashboard constantly combs through your e-mail, calendar, address book, word-processing, and browser programs and brings together information related to your current tasks before you even know you want it.
3M is developing nonsilicon radio-frequency identification chips that could be cheaply integrated into shampoo bottles, soup cans, and other products.
Battery-hogging, static-ridden cell phones could soon be a thing of the past.
An unobtrusive, brick-sized box analyzes the footstep patterns of the elderly to detect when they have fallen and to give early warning of certain diseases.
Photo sharing emerges as one of the fastest-growing Web applications.
Japan’s strategy: enhance conventional devices
A new generation of micromachines could transform everything from eye surgery to cell-phone reception.
Add Wi-Fi access to garbage collection and police protection as services that that many municipalities now regard as essential amenities.
Japan promotes first mass use in residences
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.
…and other key developments in the technology and business of the ultra-tiny.
Reginald Denny made movies with Alfred Hitchcock and Abbott and Costello-and he built the U.S. Army’s first robot plane.
Robotics inventor Stephen Jacobsen demonstrates an exoskeleton that provides superhuman strength.
Meet a creator of high-tech, electrically active fabrics who shows plenty of scrap.
Tablet PCs are convenient and cleverly designed, but there’s no need to trash your old laptop just yet.
As data gets cheaper to collect, smart innovators will manufacture their own serendipity.
Procter and Gamble’s Sandra R. Hughes on whether radio identification tags are a threat to privacy.
Determina’s software provides maintenance-free protection against computer worms.
How the latest digital-camera sensors create sharper color photographs.