HackerTube / Video
Self-filling water bottle: BUSTED!
Thunderf00t
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.
Cited in atmospheric water harvesting threads as a debunking of products that promise drinking water from thin air.
4 Hacker News mentions · 2021–2022