Thank you to Tom Scott and the RAF for allowing us to make this video. Find out more about Cyberspace Communication Specialists and becoming one:

Over on the RAF Starrship channel, I'm talking about the history of radar: https://youtu.be/VDC_RCh0ws8 - but over here, we're testing a 90-year-old piece of technology that was meant to be part of Britain's air defence. The Sound Mirrors, on Romney Marsh...