Cloudflare, one of the largest website security companies in the world, uses some unconventional technologies in their offices, like lava lamps and pendulums. They use the chaotic nature of these objects to generate secure cryptographic keys that protect you from DDOS attacks and potential adversaries.
Sorry for the long wait, I had to take my exams :)
▶️ This video is part of a series called "The Weird and the Wired" ▶️
You can find the whole playlist here https://www.youtube.com/playlist?list=PLsVlfvA9XiuDhAeZkcIjOlWPWV0h4enpa