Anyone who’s been on a hike in the forest knows how easy it is to lose the trail — and if you get lost, it may be hours before a ranger or rescue party comes looking. But drones with specialized vision systems could make that search quicker and easier, researchers suggest. Many drones are perfectly able to stay aloft and …

New algorithms could help GPS become even more accurate, according to a recently published scientific paper. Gizmodo reports that a team from the University of California has come up with a solution to one of the biggest problems with GPS: It isn’t terribly accurate – limited only to an accuracy of about 30 feet. While current GPS technology is “good …