Drones may soon assist with tornado research and rescue
29 April 2014 Last updated at 00:43 BST
Deadly tornadoes have already claimed the lives of dozens of people in the US this year, and what experts call "tornado season" is just beginning.
Scientists in Oklahoma are working on implementing new technologies to study tornadoes, and to assist in search and rescue efforts in the aftermath of a tornado hit.
The BBC's Franz Strasser went to Stillwater and Norman, the campuses of the two largest state universities in Oklahoma to see how drones and supercomputers are beginning to make a difference.
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