German railways to use mini drones to stop graffiti
Germany's railway operator plans to deploy mini drones to catch vandals who deface its trains with graffiti, with the aerial vehicles shooting thermal images of its train depots at night.
Germany's railway operator plans to deploy mini drones to catch vandals who deface its trains with graffiti, with the aerial vehicles shooting thermal images of its train depots at night.
Google has followed in the footsteps of Charles Darwin to gather images of the beauty and biological diversity of the Galapagos Islands for the Internet titan's online maps.