Torrents of e-mail have turned us all into file clerks. Isn't there a better way?
Boston University's James Collins uses background noise to steady the step of the elderly.
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From the editor in chief
New software turns cell phones into wireless data gatherers.
To embrace digital rights management is to make a deal with the devil.
New products move toward mobile broadband, but the grand 3G vision may still be years off.
It's too late for old word-processing files. But new technologies will preserve access to digital photos, music and other electronic records forever.
Nano materials could provide future soldiers with super strength, protection against bioweapons and even a way to communicate covertly.
"Multiuser detection" could greatly expand cell towers' capacity-increasing their range, their data transmission rates or the number of users they can handle.