 <a href="http://www.cs.washington.edu/homes/carlson/"> Adam Carlson</a>, <a href="http://www.cs.washington.edu/homes/sparekh/"> Sujay Parekh</a>, and I wrote a fun ray tracer  as one of the projects in <a href="http://www.cs.washington.edu/education/courses/557"> CS557</a> (graduate computer graphics).  Here's some of the images... <ul>
