Discover the science behind seeing your reflection in water. Light travels in straight lines and bounces off smooth surfaces, ...

Before diving into ray tracing ("RT" for short), let's first take a look at how illumination works in the real world. From the micro-perspective, the surface of an object illuminated by a ray of light ...

Still-life artists know that to make an image of an object look like the real thing, they must account for the way light reflects off it. The appearance of these glimmers—their color, position and ...