Whispering Wire

The 3200-kilometre-long Overland Telegraph Line from Adelaide to Darwin was completed in 1872. It transformed Adelaide into Australia's communication hub, connecting the continent with the rest of the world and heralding the dawn of instant global communication. One-hundred-and-fifty years later, author Rosamund Burton traced the path of this largely forgotten strand of wire through the country's vast desert interior to the flood-prone Top End.<br /><br />Struggling with a lack of ex