How to Read Water – New Animation!
Here is the first of a short series of animations that I will be publishing over the coming weeks. Hope you enjoy!
Explore the Books
Tag: shadows
Sand Patterns, Shadows and Camel Balm
I recently got back from a brief work trip to the United Arab Emirates. Whilst there I visited Dubai, Sharjah, Ajman and Fujairah and spent…
22 Degree Halo and Contrail Shadow
My thanks to Alan Gibson, urbane forager and regular contributor to this blog, for another great image. In this picture we are looking at two…
The Colour of Water
The colour of water is determined by: A) What’s under it. B) What’s in it. C) What’s on it. D) And by light levels and…
A Painting Puzzle
My thanks to Sebastien from Leipzig, Germany, for sending in this photo of a painting in the Museum of Communism in Prague. Have a good…
Shadows on Water
I’m just back from a brief visit to Prague, where I witnessed many wonderful things. Included among the small delights were these views from the…
A Shadow Stick in the Bahamas
This just in from Dick Forte in the Bahamas… Tristan, Here is a Gooley-inspired sun dial in the southern Bahamas, just inside the tropics, 74…
Contrail Shadows
My thanks to Alan Gibson, author of the Urbane Forager blog and book, for sending me these great images of a contrail shadow. (Contrails are…
Dead Reckoning and Path Integration (or How to Walk Like an Ant)
One of the questions I like to ask at the start of some courses is this: If you walk ten paces north, then ten paces…