A prototype device seeks out cameras and blocks them from taking pictures and video.
Technologies for regenerating damaged cells could one day help aging iPod addicts -- who are at higher risk of hearing loss.
Wetpaint and other wiki startups are offering free and easy-to-use tools. But will most consumers really care?
Advances in nanowires show they can be fast enough to use as ultrasmall transistors in cheap, high-performance electronics.
At RoboCup 2006, Ami and Sango, a pair of biped robots specially programmed, call the game.
Scientists have engineered tissue from muscle cells that can transmit electrical signals through the heart.
Japan's NTT DoCoMo is testing a network that could send DVDs to handheld devices in about 10 seconds. Here's how they do it.
If your laptop is stolen, with your confidential data, several companies will help you get it back -- or else disable it.
A device that can reveal if compounds are toxic to living cells could be a fast and accurate way to detect liver toxicity.
A new portable system completely cleans magnetic disks.