Community-owned wireless networks are gaining popularity-and could help bridge the digital divide.
Monitoring voice and e-mail traffic sounds like a good way to thwart terrorism. The problem? Sorting through the results takes too long for early warning.
Memory holds us together. That's why it's crucial to record the DNA of every species-and to archive the Internet.
Don't let the government use terrorism as an excuse for a Surveillance Society.
Medical technology may help NASA get under Mars's skin.
Microsoft's video clipping service aims to ease your information overload.