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How the Planet-Altering Disaster of "Forever Chemicals" Was Kept Secret

stevenwoo Hacker News 2026-09-05 22:40 2 views

Article URL: https://www.propublica.org/podcast/forever-chemicals-pfas-pfos-3m-secret-kris-hansen Comments URL: https://news.ycombinator.com/item?id=49576986 Points: 48 # Comments: 0

Read original: https://www.propublica.org/podcast/forever-chemicals-pfas-pfos-3m-secret-kris-hansen

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The many mysteries and lessons of the Bayeux tapestry

Article URL: https://economist.com/interactive/culture/2026/09/03/the-many-mysteries-and-lessons-of-the-bayeux-tapestry Comments URL: https://news.ycombinator.com/item?id=49586435 Points: 12 # Comments: 1

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New all in one 6502 computer (Neo6502kbd)

Article URL: https://olimex.wordpress.com/2026/09/04/new-open-source-hardware-variant-of-neo6502-now-includes-keyboard-4-usb-hosts-uext-power-switch-and-usb-c-for-power-and-programming-all-in-one-keyboard-body/ Comments URL: https://news.ycombinator.com/item?id=49585605 Points: 23 # Comments: 11

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Kimball Dimensional Modeling, Explained Through a Coffee Shop

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Kimball for SaaS: Subscriptions, MRR, and Churn, Modeled Right

SaaS data is weird. A customer pays you before they use the thing. Then they use it some unpredictable amount. Then they maybe upgrade. Then they churn. Then — sometimes — they come back three months later and you have to decide whether that's "reactivation" or "new." Finance wants recognized reven

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