How snipers in the sky might help revive the practice of assassination.
Virtual reality is still more virtual than real, but new technologies may soon change that.
Technology developed for the drug war finds use on a new front.
Critics rave. Markets shrink. It's the Internet to the rescue.
Hook enough computers together and what do you get? A new kind of utility that offers supercomputer processing on tap.
How viruses deliver healing DNA to malfunctioning cells.
Chips that change function on the fly will mean more versatile handhelds.
Electronic components the size of molecules could test for diseases and provide personal DNA profiles on demand.
In laying claim to the decades-old idea of the hyperlink, British Telecom shows what's wrong with patenting.
High-tech companies try to invent their way out of the recession, applying for a record number of patents in 2001.