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@chris_bloke@mastodon.acm.org

Post #2560213

2026-05-13 02:07 UTC

Today 129 years ago (1897-05-13 UTC) Marconi sent his first ever radio message across open sea from Flat Holm(*) to Lavernock in South Wales. 🏴󠁧󠁢󠁷󠁬󠁳󠁿 This little invention has come a long way since then! Map is from the National Library of Scotland's awesome service: https://maps.nls.uk/geo/find/marker/#zoom=13&lat=51.3954&lon=-3.1586&f=0&z=1&marker=51.4037,-3.1683&from=1449&to=2001 (*) Holm is derived from the old Norse "holmr" meaning a small island. I grew up in Cardiff and knew this area well. #wireless #history #wales #Cymru

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