“Sky Ear is a one-night event in which a glowing “cloud” of mobile phones and helium balloons is released into the air so that people can dial into the cloud and listen to the sounds of the sky.”

“Using mobile phones people can listen to the actual sounds up high, the electromagnetic sounds of the sky as well as streams of “whistlers” and “spherics” (atmospheric electromagnetic phenomena that are the audible equivalent of the Northern Lights). Of course, the action of calling the cloud changes the electromagnetic environment inside and causes the balloons to vary in brightness and colour.”

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