A new technique breaks Dijkstra's 70-year-old record: it finds routes faster in huge networks, changing graph theory forever.

Many people are taking care of the service which instantly finds the shortest route to the destination, such as a car navigation application or a smartphone map application, but most people who know ...

Sat-navs are not much use if you want to take a scenic walk around an unfamiliar city at the weekend. While they may be good for getting from A to B in a hurry, the technology is unhelpful at ...