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Audio, Radio New Zealand

UAVs or Unmanned Aerial Vehicles, or drones as they’re commonly known, are suddenly everywhere. Conservationists and academics are using them to map our rivers; engineers surveyed the interior of the earthquake damaged Christchurch Cathedral with one; and then, of course, there's the military drones used to such lethal affect in Pakistan and Yemen. Ideas visits Palmerston North's Skycam UAV – New Zealand's leading manufacture of UAVs; talks to the interim president of the Association of Unmanned Operations – a union of US drone pilots; and Professor James Cavallaro tells us about the findings of a report he co-authored: 'Living Under Drones: Death, Injury, and Trauma to Civilians from US Drone Practices in Pakistan'.

Research papers, University of Canterbury Library

Damage to ceiling systems resulted in a substantial financial loss to building owners in the Canterbury earthquakes. In some buildings, collapse of ceilings could easily have resulted in severe injury to occupants. This paper summarizes the types of ceiling damage observed in the Canterbury earthquakes, and draws useful lessons from the observed performance of different types of ceiling systems. Existing ceiling manufacturing and installing practices/regulations in New Zealand are critically scrutinized to identify deficiencies, and measures are suggested to improve the practice so that the damage to ceilings and the resulting loss are minimized in future earthquakes.