- The Richmond Beach Saltwater Park has a beautiful view of the Puget Sound. At the moment, however, the Sun was directly to the west shining too brightly for a picture. Behind the view, I noticed this cluster of trees made distinct against the blue sky.
- Category Theory (plato.standford.edu)
Category theory has come to occupy a central position in contemporary mathematics and theoretical computer science, and is also applied to mathematical physics. Roughly, it is a general mathematical theory of structures and of systems of structures.
