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The Lava Lamps That Help Keep The Internet Secure
About this video
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 it appears in the archive
The go-to short explanation whenever lava lamps, entropy sources, or Cloudflare randomness come up.
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From the Hacker News discussion
There's a good Tom Scott video on this too. Like most of his stuff, it's well worth the watch. [VIDEO]
Read original comment ↗Alternatively, just do what Cloudflare does (did?), and have some cameras pointed at lava lamps[0]. [0]: [VIDEO]
Read original comment ↗ObTomScott: The Lava Lamps That Help Keep The Internet Secure [VIDEO] (Mention of the London pendulums at 2:39)
Read original comment ↗