A look at the latest phones, Apple's amazing fourth quarter, and it's lonely being a CEO.

  Smaller image sensors change lens behavior on an SLR. Here's a look at one consequence, depth of field.

  Those dealer contracts have to be broken or skirted for electric cars to get to the mass market.

  Under the entrepreneur in residence program, the agency will invite executives to set up shop inside select labs to assess technologies.

  Appeals court hears ongoing spat pitting amateur radio operators, who fear nascent devices will cause harmful interference, against the FCC, which views BPL as future cable or DSL rival.

  Microsoft CEO Steve Ballmer delivers the opening keynote address at the 2007 Fall CTIA in San Francisco.

  E10 doesn't have a lot of biofuel in it. E85 is tough to find. So why not E30?

  "We have our own clean tech fund here,"says GE's vice president of ecomagination program.

  The real-world toy maker joins Mattel and Hasbro in catering to children online.

  Plus: Technology helps firefighters by land, air and space. Read these stories and more from around the Web on News.com Extra.

  As Santa Ana winds drive blazes across the Southern California landscape, state and federal agencies take vital data to the Web.

  AOL's got some new services they're showing off at CTIA today.

  Despite earlier tussle, the two companies announce joint participation in a forum aimed at promoting security best practices.

  At the RSA Conference in Europe, the two companies, which are frequent adversaries, join a security organization and pledge cooperation.