Sailboat racers get a heads-up display to call their own
 

It's not easy to track the progress of a racing sailboat -- you don't always have the free time (or free hands) to check a compass or run across the deck. Keeping tabs on a watercraft should be much less of a chore in the future, though, as...

http://www.engadget.com/2014/04/03/a...=rss_truncated