Cell phones have increasingly become mobile labs and tech tools for researchers, and now NASA has gotten in on the act. A NASA scientist has developed a postage-stamp-sized chemical sensor that allows iPhones to sniff out low airborne concentrations of chemicals such as ammonia, chlorine gas and methane.

Chief Software Architect Ray Ozzie announced at the annual PDC conference on Tuesday.

The BlackBerry Storm2 9550 is a touchscreen phone with improved SurePress platform, BlackBerry 5.0 OS, access to BlackBerry App World, and full range of BlackBerry messaging.

AMD announced on Wednesday the immediate availability of its newest graphics card, the Radeon HD 5970

Dell Latitude E5400 is a 14.1-inch laptop with Intel Core 2 Duo Processor, Core 2 Duo or Celeron CPU, GMA 4500MHD integrated graphics, up to 4GB of DDR2 memory, up to 250GB of hard drive space.

The Sony Cyber-shot DSC-H20/B camera sports a 10.1-megapixel Super HAD CCD image sensor, 10x optical zoom Carl Zeiss Vario-Tessar lens, Optical SteadyShot image stabilization.