Balloons have been used for decades to conduct scientific studies. NASA balloons are constructed of thin, 0.002-centimeter (0.8 mil), polyethylene film, about the same thickness as ordinary sandwich wrap and are as big as the Louisana Superdome. In order to take down the balloon after the study is over, the fabric is ripped causing to gently lower down to the ground.
I recently wrote to the program that runs these balloons and I anxiously await their reply…