October 20, 2006NASA and NOAA scientists report record changes in width and thickness. Satellite spots growing ozone holeTAGS:Antarctica, scientist, layer, mile, satellite
April 4, 2006Researchers develop "switchable" lenses, a viable alternative to bifocals associated with grocery stores and old age. Photos: Eye on 'switchable' lensesTAGS:electrode, layer, lens, glass, researcher, grocery, age
April 22, 2003Groove Networks CEO Ray Ozzie takes issue with fellow execs mourning the decline of the tech industry--and Silicon Valley in particular. But in an increasingly connected future, computer systems a...TAGS:workspace, layer, e-mail, operating system, PC