Follow Live Science, Facebook & Google+. This article was originally published on Jan. Retezár said he is aiming to keep the retail price for the Fontus under $100, and if all goes according to plan, the self-filling bottles could be commercially available in about nine or 10 months. The designer is also aiming to launch a crowdfunding campaign in March to cover the cost of mass-producing the devices. Since then, he has received funding from the Austrian government that will help cover the technical development phase. The initial Fontus design was shortlisted for the 2014 James Dyson Award, which helped Retezár gain exposure for the project, he said. "My intent was to invent a machine or device that would be able to filter the humidity in the air and turn it into drinkable water." Dewpoint Smart features a superior filter system that ensures that the dispensed water is filtered through a five-stage filter, comprising of pre-carbon filter. This unit can make up to 25 litres of pure drinking water per day. "The idea was to solve a global problem: water issues in areas of the world where there is very little groundwater but very high humidity," Retezár said. Dewpoint Smart is one of the smaller units, designed to ensure portability. This next-generation version could be used in regions of the world where humidity is high, but water is scarce. Retezár is also working on a stand-alone version that uses an inverted ventilator to suck air into the system (rather than relying on the airstream created from a moving bike). But originally, this water bottle was thought to be used in nature, and places where you wouldn't have contaminated air." A must have for frequent travelers and adventurers out there. "We're thinking about making a bottle that also has a carbon filter, and this one would be for cities or areas where you might think the air is contaminated. Fontus Airo is a standalone unit whereas the Fontus Ryde is designed for bicycles. "The water you get is clean, unless the air is really contaminated," Retezár said. The prototype includes a filter at the top to keep dust and bugs out of the water, but currently it does not include a way to filter out potentially harmful contaminants. "Basically, you're taking air in a vapor state and converting it into a liquid state."įontus can produce 0.5 quarts (0.5 liters) of water in 1 hour in what is considered "really good" conditions, with temperatures between 86 degrees and 104 degrees Fahrenheit (30 to 40 degrees Celsius) and between 80 percent and 90 percent humidity, Retezár said. "Because they're hydrophobic, they immediately repel the condensed water that they created, so you get a drop flow ," he explained. As the bike-mounted gadget takes in air, and these surfaces get cold, you're left with condensation, Retezár said. The solar-powered device consists of a condensator (which functions like a cooler) that is connected to a series of hydrophobic surfaces that repel water. This graphic shows the various parts that make up the Fontus system.
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