Watch a GPS-assisted boat motor keep ships steady
 

Driving a motorboat can be scary if you're a newcomer. Despite all that power, you're still at the mercy of the wind and waves -- it can be hard to keep your boat steady when you're docking or waiting for a bridge. Mercury Marine may just save your h...

http://www.engadget.com/2016/01/03/g...ed-boat-motor/