Unfortunately, no one has followed a balloon up to see what really happens up there as far as I know. And on top of that, you have to keep adding air without tying a knot to over-inflate a balloon ...

The balloon weighed over 5,000 pounds ... causing the pieces to stick together and tear once the balloon was fully inflated. By 1935, engineers had made significant developments for Explorer ...

The weather balloon being inflated at launch - it would become spherical ... was a different style from the Chinese balloon shot down over the weekend by the US, he added, noting that "those ...