Rovers are key to exploring planets that are too far and expensive for manned missions, but they have their limitations. NASA rover “Spirit” scaled a mountain the height of the Statute of Liberty, but couldn’t maneuver its way out of a sand bog. In 2009 Spirit became stuck and in NASA controllers’ attempts to free the rover, the wheels only sank deeper. Lack of sun in the rover’s current location meant Spirit went into low-power hibernation mode, and on May 25 2011 NASA made their last communication with Spirit.
The Pocket-PC Nerve Express can track your heart rate while you are on the go, and you can download your data to a PC for analysis. It seems a little large to carry with you on a training run or to the gym for a workout, but that seems to be the purpose. You strap […]
University of Cambridge seeks chocolate expert.