An OLED pixel showing black is switched off. So every background here is exactly #000, and near-black is kept under 3 % of the frame, where panels show mura.

Hurricane tracks since 1851, the first pulsar, a humpback whale's song, mountains as stacked radar profiles, and fluids simulated from their equations: each piece comes with its sources.

They are free for personal use under CC BY-NC-ND 4.0, as one 3840 × 2400 picture for every screen (a 4K TV set to Fill shows its 16:9 band pixel for pixel, a 16:10 laptop all of it), and eleven also come as phone versions at 1320 × 2868.