An emoji URL shortener. (Above, the URLs for the New York Times, CNN, the Washington Post, and the Wall Street Journal.) A Chinese village trims a forest into the shape of a QR code. “He is to persuasive as she is to ditzy / kittenish / motherly”: Behold the gender madness of Word2Vec. For decades in the early 1900s, the New York Public Library music librarian saved request slips from famous musicians; the scrapbook is scanned here. An origami-inspired solar-powered lantern. How to clone Twitter using Bubble, a drag-and-drop app-maker. “JSLinux”, emulating various flavors of Linux in the browser. What happens when a country decides to switch which side of the road cars drive on? Why flies see time move in slow motion. The vantablack of planets: It eats all light that touches it.