• These Enormous Concrete Acoustic Mirrors Pepper the British Coastline

    8 days ago - By Arch Daily

    Denge . Image Courtesy of Tom Lee
    These vast concrete dishes, which can be found along the northern and easterly British coastline, are sound mirrors. Originally designed to capture the sounds of incoming enemy aircraft as they approached the United Kingdom from across the English Channel and the North Sea (although one was also built at Baħar iċ-Ċagħaq in Malta), these military listening devices acted as a rudimentary early warning system in the decades before Radar was developed and deployed.
    Near Folkestone, Great Britain. Image Courtesy of Flickr User "GanMed64"
    Conceived by William...
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