thenextwavefutures wrote 1 year ago: Watching an old episode of BBC’s Coast on DVD I came across the story of Major WS Tucker and h … more →
andreasbick wrote 1 year ago: Before radar was invented to detect enemy airforces, acoustic mirrors were build around the coasts o … more →
crab wrote 1 year ago: Image: Sound Mirrors near Dungness, Kent, UK Scattered around the South East coast of England are th … more →
chriscotimms wrote 2 years ago: … more →