It’s striking to realise a personal sense of pure elation from the effect of sunlight in its many forms. Even more so, when light and water mix, and with sounds. I find it healing.

In our rivers, shallow oceans, even at the bottom of swimming pools and upon cave roofs, we are familiar with light refracting back and forth through gentle and chaotic laps of surface waves. A lace-like dance of photons hits our retinas, processes in our brains and triggers emotions.

These hypnotic and beautiful patterns of light are officially known as caustic networks. Most of us would assume caustic is a type of chemical capable of burning, and definitely something to avoid. … Read more