I came across this video promotion for a self filling water bottle device, being marketed by a company called Fontus. It supposedly can refill itself by condensing water straight out of the air, being powered by a small solar panel, thus providing water in remote areas. They’ve managed to acquire about $350,000 worth of crowd funding. However there’s a slight problem, it can’t possibly work!Its quite literally “vapourware”. Vlogger Thunderf00t, aka Phil Mason does a more complete debunking here, but in short such a device (even if it worked) would deliver such a ridiculously low level of water, that you’d be better off seeking other alternatives.
Figure 1: The Fontus self filling water bottles, camping and bike versions [Source: Fontus, 2016]
And this is merely one of a number of similar devices doing the rounds. There’s also the Waterseer device. This has…
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