Scientists already observe the cosmos through radio signal, optical imaging, and other techniques. A network of hundreds of solar-powered audio recorders will do the same across Australia.
Those sensors themselves will be familiar to electronic composers and field recordists. They use microphones and standard SD cards, but operate entirely on solar power – a necessity for remote locations. The recordings are continuous, and spread through the vast country, across some one hundred sites and 400 sensors covering “desert, grassland, shrublands and temperate, subtropical and tropical forests.”
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