Student experiment films Earth from stratosphere

University of Sheffield PhD students Alex Baker and Chris Rose used a helium-filled balloon to send a foam box containing two small video cameras and a GPS tracker into the atmosphere. Because of the very cold temperatures at high altitudes, they insulated the box with duct tape and included a small heat pad to keep the cameras warm. The balloon is thought to have reached an altitude of 37km before popping, allowing a parachute inside to bring the equipment back to earth.


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