This paper details how Timnit and her team used Google Street View images of cars, deep learning, and neural networks to (accurately!) predict the demographics and political leanings of a neighborhood based on the types of vehicles detected there.
— rachel
This algorithm tells you if a given directed graph is acyclic or not and simultaneously puts its vertices into the most convenient order for processing, all in linear time!
— vaibhavsagar
It's soothing to watch the colors on the image gradually pour in. You can get a processing sketch that lets you try it with your own image here: https://www.openprocessing.org/sketch/397165.
— porterjamesj