The swarming drones that can float on water

Researchers from the Massachusetts Institute of Technology (MIT) have created a drone that can float on water and communicate with other drones via the cloud.

The team behind the project hope that the drones can be used to test the cleanliness of water.

BBC Click spoke to MIT research fellow Chris Green in Dubai at the recent Drones For Good competition.

More at BBC.com/Click and @BBCClick.