The London Centre for Nanotechnology is dreaming up ways to make your gadgets faster. We visit their cool lab in this video.
Despite being controversial, the city's police plan to start using machines that can tell from a distance whether someone is carrying a concealed weapon.
Looking for more than a casual fling? The gorgeous, leather-clad Fujifilm X10 is the kind of camera you'll want to keep for years.
Turns out those terahertz scanners in the airports are mostly safe, but they do a little unzipping of your DNA. Derek says it's nothing to worry about. You won't grow a third arm in the airport. Even if it would be handy for carrying baggage.
University researchers in the U.K. and the Ukraine develop the first laser to emit sound waves in the terahertz frequency range.