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A map of every lighthouse

189 points · 78 comments · karakoram

  1. frisco · · focus · HN ↗
    Fun fact: lighthouses in a general area will all have different periods so sailors can easily tell them apart and know which one they are looking at
    1. ricksunny · · focus · HN ↗
      sounds like pulsars.
      1. antonvs · · focus · HN ↗
        Don't tell Avi Loeb.
        1. ricksunny · · focus · HN ↗
          Can we tell the rest of his UAP Science Advisory Council’s 18 members?
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