Science and technology

Associated Press
FILE - In this Oct. 19, 2009 file photo, the AT&T logo is on display at a RadioShack store in Gloucester, Mass. AT&T Inc. will start selling home automation and security services nationwide, taking on incumbents led by Tyco International Ltd.’s ADT. The installations and services will be sold in AT&T stores, starting with a trial this summer in Dallas and Atlanta. (AP Photo/Lisa Poole, File)

View gallery

500 photos

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

View Comments (0)