Lava lamps aren't just psychedelic decor. One major internet company uses them to help generate the randomness behind secure encryption keys.

The company reveals that operating systems use different sources of random data for encryption. Cloudflare states that it ...

The lava lamp usually gets a bum rap as some kind of lowbrow psychedelic entertainment system for people who are too strung out to enjoy any stimulation of real substance. But the lazy loafing sources ...

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 ...

Lava lamps may be fun reminders of the 1970s, but these days, some are being used to help keep data secure. Nick Sullivan with a tech firm called Cloudflare shows a wall of lava lamps that are part ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Cloudflare is on a mission to build a better Internet. And part of how it achieves this is through a wall of lava lamps. Yes, truly. This wall helps generate random numbers for cryptographic keys.

I'd heard of Cloudflare's Wall of Entropy - literally, a wall of lava lamps that float up and bubble down as lava heats and cools, making it lighter or heavier. On a recent visit to San Francisco for ...