The unknown crackling could be the sound of distant thunderstorms, falling meteors, or turbulence. Listen to the sounds a balloon hears 12 miles above Earth: from ocean waves to volcanic eruptions.

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 ...

Ultra-sensitive microphones aboard a Nasa student balloon, floating at the edge of space has captured infrasonic sounds whose source has not been ascertained as yet. Theories for the sounds range from ...

Hot air balloons launched by scientists have recorded mysterious sounds of “completely unknown” origin, high in the Earth’s atmosphere. Large 6-7-metre-long balloons were sent to the stratosphere – ...

CHICAGO, May 11, 2023 – Imagine if sending your science experiment 70,000 ft in the air just took painter’s plastic, tape, a dash of charcoal dust, and plenty of sunlight. Daniel Bowman of Sandia ...

Daniel Bowman sends cell phones into the stratosphere aboard solar-powered hot-air balloons. You might be surprised what sounds they record up there. These balloons listen to the Earth from a dozen ...