NASA Research | How they test landing & impact : Crazy

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 The video bellow is one of the newest videos on Youtube in which Nasa test its Helicopters. Really something that no one was expecting from the NASA in 2016.

The test goal is the measure Impacts, injuries landing and so on But they really  crashes their helicopters  




 I think this is crazy while they have the most recent technologies to simulate it all ;) What do you think? tell us in a wonderful comment :)