The Roll helps to find the right photo shots

(Phys.org)—There you are passing time on a subway with a stalled train in the middle of a tunnel and no comforting announcement saying why.


Australia project turns vehicles into emergency network

(Tech Xplore)—We are quite accustomed to hearing about the wonders of enjoying a global experience in a connected universe where communications ignores limitations of borders, arrival gates and physical walls. Not everyone ...