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mrpeanutbutter
searching PlanetScale…
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by
mrpeanutbutter
7y ago
I clicked a Look Inside and must say the content is slightly more coherent than I thought it would be. Did you make the list of topics yourself? Is anybody buying these books? Is there any pushback from Amazon when trying to add this many p
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by
mrpeanutbutter
7y ago
Handheld UV water purifiers are already common. A lot of backpackers use them. I'm not sure how they work. Presumably they're not using LEDs.