17 infrasound stations in the CTBTO’s network detected the infrasonic waves from the meteor that broke up over Russia’s Ural mountains. Infrasonic waves from the meteor that broke up over Russia’s ...

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 ...

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 ...

Infrasound is low frequency sound with a range of less than 10 Hz. The blast was detected by 17 infrasound stations in the CTBTO's network, which tracks atomic blasts across the planet. The furthest ...

17 infrasound stations in the CTBTO’s network detected the infrasonic waves from the meteor that broke up over Russia’s Ural mountains. 17 infrasound stations in the CTBTO’s network detected the ...

Sometimes, the most important sounds are those that cannot be heard. Take infrasound—acoustic waves below the range of human hearing. Although nuclear weapons blasts, midair meteor explosions, ...

The balloons can take sensors twice as high as commercial jets can fly. Stratosphere, a layer of atmosphere above the Earth, is believed to be calm and quiet. But when scientists sent a solar-powered ...