The Sorting by Sea Currents
Sea currents sort objects according to size, shape and weight. There is a documented case of left Wellington boots from a lost container washing up…
Sea currents sort objects according to size, shape and weight. There is a documented case of left Wellington boots from a lost container washing up…
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…
Here is a lovely example of Heiligenschein, or ‘halo effect’. When a bright light source is directly behind us, we see a brighter ring around…
My thanks again to Alan Gibson for sending over some great images. These are sun dogs or parhelia and parts of a “22 degree halo”.…
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…