Hackernews posts about Ray Tracing

Ray Tracing is a rendering technique that simulates the way light behaves in the real world by tracing the path of individual rays of light as they interact with virtual objects and surfaces.

Related: the TI-84 CE  
  1. Tracing Rays with Jank (jank-lang.org)
  2. Tracing Rays with Jank (jank-lang.org)
  3. Real-Time Raytracing (2008) (blog.codinghorror.com)