The Animated Genome is a spirited 5-minute film that uses graphics to explain the makeup of your genome and how it affects life and health. It's part of Genome: Unlocking Life's Code, an exhibition at the Smithsonian Institution National Museum of Natural History.
Ray tracing is a computer graphics technique that produces realistic images of a three-dimensional scene. In 1987, Paul Heckbert (then at Pixar) announced a contest to produce a ray tracer in the minimum amount of code, as he describes in "A Minimal Ray Tracer." In 2009, Andrew Kensler (then at the University of Utah Scientific Computing and Imaging Institute) created a C++ version that can fit on a business card. Fabien Sanglard explicates this amazing piece of code in "Decyphering the Business Card Raytracer."
Happy Thanksgiving, MetaFilter! If you have friends from different parts of the U.S., you might have wondered why they consider certain dishes to be an essential part of a Thanksgiving feast, when you've never even thought of them as remotely Thanksgiving-related. Now you can see what dishes were popular searches on allrecipes.com in various states thanks to a series of infographics in the New York Times.