Chaos in the Cloudflare Lisbon Office

7 min read Over the years, Cloudflare has gained fame for many things, including our technical blog, but also as a tech company securing the Internet using lava lamps , a story that began as a research/science project almost 10 years ago. In March 2025, we added another layer to its legacy: a "wall of entropy" made of 50 wave machines in constant motion at our Lisbon office, the company's European HQ. These wave machines are a new source of entropy, joining lava lamps in San Francisco, suspended rainbows in Austin, and double chaotic pendulums in London. The entropy they generate contributes to securing the Internet through LavaRand . The new waves wall at Cloudflare’s Lisbon office sits beside the Radar Display of global Internet insights, with the 25th of April Bridge overlooking the Tagus River in the background. It’s exciting to see waves in Portugal now playing a role in keeping the Internet secure, especially given Portugal’s deep maritime history. The installation honors Po ... Read full article.