A study in Buffalo will track air pollution exposure -- with the help of a smartphone app. Written by Christina Hernandez Sherwood, Contributing Writer Feb. 21, 2011 at 8:00 p.m. PT ...

That said, it’s pretty easy to build using an Arduino, a GSM shield, a GPS system, and a handful of other components. The whole system is strapped and locked to the bottom of the saddle.

New GPS tracking bracelet lets parents pinpoint kids 01:46. CNET's Rich Trenholm checked out the MediaTek 361 smart shoes at the Mobile World Congress in Barcelona this week. With tech from ...