The Lava Lamps That Help Keep The Internet Secure
Why Hacker News recommends it
The go-to short explanation whenever lava lamps, entropy sources, or Cloudflare randomness come up.
What it is
Tom Scott visits Cloudflare's San Francisco office to show the wall of lava lamps whose camera feed is used as a source of entropy for random number generation. It is a short explainer on how this helps secure internet encryption.
Recommended by 1 HN commenters across 1 different months, 2017 to 2024.
What Hacker News said
Recommends ceph_ · 2017-12 · on “A wall of lava lamps helps encrypt the internet”
There's a good Tom Scott video on this too. Like most of his stuff, it's well worth the watch. [this video]
Cites Natfan · 2022-05 · on “Riot Games: Artificial Latency for Remote Competitors”
Alternatively, just do what Cloudflare does (did?), and have some cameras pointed at lava lamps[0]. [0]: [this video]
Cites Karellen · 2024-03 · on “The London office where swinging pendulums keep cyber threats at bay”
ObTomScott: The Lava Lamps That Help Keep The Internet Secure [this video] (Mention of the London pendulums at 2:39)