Self-filling water bottle: BUSTED!
Thunderf00t · 1 HN recommendations
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Thunderf00t debunks the Fontus self-filling water bottle, arguing that pulling meaningful amounts of water from air with a small solar-powered device is thermodynamically impractical.
Why HN recommends it: Cited in atmospheric water harvesting threads as a debunking of products that promise drinking water from thin air.
“Thunderf00t has debunked a bunch of other enterprises doing water from the air” Read on HN ↗