And in one of the most unusual stories to flash across our screens this week, a man built a huge floating hamster wheel and used it to walk 66 miles across the Irish Sea.

ENGADGET: Inhabitat's Week in Green: Bicymple, computer-age fossils and an underground mushroom tunnel

It sells Palm-size modules that flash new programs into the computers of trucks and SUVs through the diagnostic port under the steering wheel.

FORBES: How to Hack Your Car