Science and technology

Associated Press
FILE - In this Wednesday, Oct. 17, 2012, file photo, an AT&T logo is displayed on an AT&T Wireless retail store front, in Philadelphia. T&T Inc. reports quarterly financial results before the market opensTuesday, April 23, 2013.  (AP Photo/Matt Rourke, File)

View gallery

500 photos

Astronomy, meteorology, environment, archaeology, electronics, computers and gadgets

View Comments (0)