Text from you tube
At the headquarters of Cloudflare, in San Francisco, there’s a wall of lava lamps: the Entropy Wall. They’re used to generate random numbers and keep a good bit of the internet secure: here’s how.
Thanks to the team at Cloudflare – this is not a sponsored video, they just had interesting lava lamps!
There’s a technical rundown of the system on their blog here
Edited by Michelle Martin, @mrsmmartin”
found via laughingsquid
via Blogger http://bit.ly/2zRxD1j