These re-writeable materials have applications in data storage and encryption, energy transducers, and optical display technologies.

Using smartphones' GPS and imaging capabilities, University of Missouri researchers have developed new software that determines the exact location of distant objects, as well as monitors the speed and direction of moving objects. The software could eventually allow smartphone-armed soldiers...

The first Question of the Week for 2010 concerns airline security. The recent foiled attempt by a Nigerian terrorist to set off a bomb aboard a Northwest Airlines flight landing in Detroit has renewed concerns that current X-ray technology is insufficient in detecting concealed weapons and...