"Learn the basics of optics to bring your painting skills to a new level. This tutorial is the first in a series that takes you through the fundamental science behind light and vision, so that you can create realistic paintings that make sense to the human eye. First up: light, shadow, reflections, and edges."
This tutorial provides some useful information about the different techniques you can use to see light and shadow when painting a scene. This article is perfect for anyone currently learning the basics of painting or any artist wanting to improve the detail of their drawings.