http://www.test.bbcweb3hytmzhn5d532owbu6oqadra5z3ar726vq5kgwwn6aucdccrad.onion/future/article/20240704-the-search-for-the-random-numbers-that-run-our-lives
At Cloudflare's office in San Francisco, a camera on the ceiling is pointed down towards a wall of colourful lava lamps . "The motion of those lava lamps, the blobby, oily, waxy thing inside, is not predictable," explains Graham-Cumming. That means that the camera can take pictures of the blobs at intervals, which are then converted into a series of numbers – more or less based on the shape and position of the blobs.