In this paper, a characterisation is given of finite s-arc transitive Cayley graphs with s ≥ 2. In particular, it is shown that, for any given integer k with k ≥ 3 and k ≠ 7, there exists a finite set ...

Google Inc. is deploying a fleet of small, camera-equipped airplanes above several cities You can save this article by registering for free here. Or sign-in if you have an account. SAN FRANCISCO — ...

At an event today in San Francisco, Google made a predicted announcement: 3D maps—not just little buildings drawn with perspective, but genuinely detailed 3D structures and topography—are coming to ...

3D printing technology is fast evolving, with companies now producing objects ranging from castles to lawn mowers. But until now, no one has been able to print a 3D airplane that flies. Now, European ...

Aircraft equipped with cutting edge imaging technology are helping researchers create 3D maps of South Australia's bushfire grounds in a bid to boost understanding of fire behaviour. Planes flying 250 ...