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 — ...

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 ...

SAN FRANCISCO (Reuters) - Google Inc is deploying a fleet of small, camera-equipped airplanes above several cities, the Internet search company's latest step in its ambitious and sometimes ...