A random picture of lava lamps? Or a picture of random lava lamps? It's the lobby of Cloudflare, in California, and it sort-of helps the Web infrastructure and cloud services company generate random ...

Most people have probably never been to Cloudflare's San Francisco office, but those who have been there would have noticed a large wall of lava lamps in the lobby. It is hard to miss—after all, it is ...

[Karl] was in need of a hardware random number generator, but is needs had a few caveats: it needed to be cheap, and sufficiently random. Random number generation can get quite crazy with Geiger tubes ...