High-Altitude Infrasound Recorded For First Time In 50 Years | Audio
By Steve Spaleta |
The sound was recorded by a UNC Chapel Hill payload aboard a high altitude balloon. The balloon was commissioned by Louisiana State University's High Altitude Student Platform (HASP) program and flew to an altitude of ~22 miles in 2014.
credit : Daniel Bowman, UNC-Chapel Hill / mash mix: Live Science