Shipwrecks on BBC4
Shipwrecks is a three-part series on BBC4, presented by naval historian, Dr. Sam Willis. And it sets out to do what BBC4 does best. It…
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Tag: equator
Analemmas and the Equation of Time
If you stood on the same spot and took a photo of the sun every day during a year’s worth of good weather, at exactly…
Equinox Trivia
Happy Equinox All! At nine minutes past three this morning, GMT, the sun was overhead the equator. To celebrate, here are a few things that…
Moon and Latitude
Another very enjoyable Beginner’s Guide to Natural Navigation course at the Royal Geographical Society yesterday. The diversity of interests and experiences never fails to amaze…