A Letter and Puzzle from Horatio
I recently received the following intriguing letter, via my publisher. It contains a small weather mystery in the final paragraphs. Please do get in touch…
Tag: sextant
The Future of Celestial Navigation
A morning glance at a moody and cloudy twilight led me to laying down some of my thoughts about the key challenges facing celestial navigation…
Navigation on Amundsen’s South Pole Expedition
There was an interesting article in Navigation News recently, The Long Journey Home, which looked at Amundsen’s navigation techniques on his South Pole expedition. The…
Time, Sun and Longitude
I have just returned from Scotland, where I have been doing some more research for the book I’m working on. In Edinburgh, I had the…
How to Use a Kamal
In this photo, one of the Outward Bound Oman instructors, who I visited recently, is being taught how to use a traditional and beautifully simple…
Astronavigation and Devastation
My thanks to William Goble for bringing my attention to a extraordinary piece of navigation history. Although standard practice in aerial navigation at the time,…
All Change
What a difference an hour makes, I took this photo only one hour later than yesterday’s. Venus was still visible to the naked eye, but…