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The Lava Lamps That Help Keep The Internet Secure

The Lava Lamps That Help Keep The Internet Secure on HackerTube: recommended by 1 Hacker News commenter across 1 month, 2017–2024.

Tom Scott

explainer · evergreen

Open on YouTube

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.

Why Hacker News recommends it

The go-to short explanation whenever lava lamps, entropy sources, or Cloudflare randomness come up.

people recommended it
1
separate months
1
strong recommendations
0
discussed on HN
2017–2024
“There's a good Tom Scott video on this too.”
— ceph_, Dec 2017, in “A wall of lava lamps helps encrypt the internet”

What HN commenters said

3 Hacker News comments link this video. Each one links back to its thread.

ceph_Dec 2017Recommends

There's a good Tom Scott video on this too. Like most of his stuff, it's well worth the watch. ▶ this video

in “A wall of lava lamps helps encrypt the internet” · View on HN

KarellenMar 2024Cites it

ObTomScott: The Lava Lamps That Help Keep The Internet Secure ▶ this video (Mention of the London pendulums at 2:39)

in “The London office where swinging pendulums keep cyber threats at bay” · View on HN

NatfanMay 2022Cites it

Alternatively, just do what Cloudflare does (did?), and have some cameras pointed at lava lamps[0]. [0]: ▶ this video

in “Riot Games: Artificial Latency for Remote Competitors” · View on HN

Topics & tags

CryptographyProbability & game theorycloudflarelava lampsentropycryptographyrandom numbers