Amazon workers and union members in Spain, Germany, and the U.K. went on strike this Black Friday—one of the busiest shopping days of the year for the retail giant—to protest for better pay and improved conditions at the company’s warehouses, which have previ…

Most of us last saw calculus in school, but derivatives are a critical part of machine learning, particularly deep neural networks, which are trained by optimizing a loss function. This article is an attempt to explain all the matrix calculus you need in orde…

More than 55 million people will travel this week for Thanksgiving, according to AAA. Wednesday was expected to be by far the most traffic-filled day in cities across the country, including Seattle. Most of those travelers, a projected 49. 3 million, are expe…

From National Geographic comes a video profiling the durable windmills of Nashtifan, Iran. These windmills constructed over a thousand years ago out of clay, straw and wood are not only still standing; they work just as well as they did when they were first b…