The Colour and Shape of Navigation Marks
Most navigators, even inexperienced ones, learn that colours are important when trying to identify navigation marks at sea. And most people also know that there…
Most navigators, even inexperienced ones, learn that colours are important when trying to identify navigation marks at sea. And most people also know that there…
The definition of a drying height: “The drying height is the vertical distance of the seabed that is exposed by the tide, above the sea water level at the lowest astronomical tide.” But this…
My favourite signs always combine simplicity, elegance and practicality. They are often so effective that technology can’t improve on them. Cats’ Paws, the ruffled patterns…
Clues & Patterns from Puddles to the Sea A New York Times Bestseller. A Sunday Times “Must Read” book. A must-have book for walkers, sailors,…
Something a little different today – a guest blog. I am very grateful to Hye Jung Kim and all the team at Project Wayfinder for…
I took this photo from the South West Coast Path in the Isle of Purbeck, Dorset, a few days ago. In it we can see…
Some Thoughts on the difference between the terms ‘Tidal Streams’ and ‘Tidal Currents’ In the chapter, Currents and Tides, in my book, How to Read Water,…
For thousands of years, sailors have used the colour of the sea to help them make sense of the waters they travelled through. In many…
The Economist have just published a letter I wrote to them regarding a recent academic article on Viking sunstones. In the following letter I put…
Following on from my last blog post about the windvane self-steering marvel, comes another wonderful piece of sailing technology. Although this one also works closely…
Although microchips have a childlike tendency to steal our attention away from almost anything else, I am not against technology itself. Once we have steeled…
OK, it’s confession time. Again. I’m just back from a week’s holiday with my wife on the Greek island of Kefalonia. It was our first…
Congratulations to Sam LLewellyn on the launch of The Marine Quarterly. A more handsome nautical vessel would be hard to find. (The Marine Quarterly that…