Kottke: “The Art Institute of Chicago has placed high-definition images of 52,438 public-domain artworks onto its website (with magnification tools) under a CC0 license (no rights reserved), including The Great Wave, A Sunday on La Grand Jette (unfortunately not magnifiable to this extent), Nighthawks, Van Gogh’s Self-Portrait, Warhol’s Mao, and Two Sisters on the Terrace…”