Testing the TVN quad copter decked out with a camera and instruments for measuring temperature, moisture, and pressure inside the tornado. It's made of , and is so small to not become a dangerous once it enters the tornado. Check out live streaming video from our network of , Tornado Chasers online TV series, breaking , and more at http://tvnweather.com

Source: Tornado quad copter test flights GONE BAD! (Youtube).

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