Add Yahoo as a preferred source to see more of our stories on Google. Solar-powered balloons are recording mysterious sounds below human hearing in the stratosphere. The unknown crackling could be the ...
Up, up in the air ... scientific solar-powered balloons have recorded some strange sounds in the stratosphere researchers cannot identify. Daniel Bowman and other researchers at Sandia National ...
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Why loud balloon pops trigger fear in some people
Think about it: you're at a birthday party, surrounded by colorful decorations, when suddenly a sharp crack splits the air. The most common source of fear is the sound of balloons popping, making it a ...
At first listen, Earth’s stratosphere seems calm and quiet. But when researchers launched solar-powered balloons up 70,000 feet, they detected a hidden acoustic world — including mysterious noises ...
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