It is raining cats and dogs. Perfect weather for some indoors simple experiments.
I am delighted with the HS video capability of my new Lumix LX7: 100 fps at Full HD. A maximum aperture of 1.4 allows to shoot in very very low light. Fantastic.
For a number of years the fly casting world has been trying to explain the dolphin nose phenomenon. Some complex analysis relate it to the effect of air drag:
What if the mystery behind the dolphin nose had to do with the loop diameter imposing too small a turning radius for the line’s flexibility?