How Cloudflare Uses Lava Lamps to Guard Against Hackers

Edward Craven Walker lived to see his greatest invention, the lava lamp, make its late-’90s cultural comeback. But the British tinkerer (and famed nudist, incidentally) died before he could witness the 21st-­century digital potential of his analog creation. Inside the San Francisco office of the web security company Cloudflare, 100 units of Craven Walker’s groovy …

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