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by azernik 2801 days ago
RTFA, especially before snarky dismissals: "meeting the competition parameters of extracting a minimum of 2,000 liters of water per day from the atmosphere using 100 percent renewable energy, at a cost of no more than two cents per liter"
2 comments

I read the article. Do you know how many of these things promise gallons and deliver drops? Pardon me for being pessimistic about it.
They have commercial models for sale that produce half the competition amounts, and have pretty detailed specs online: http://www.skysource.org/products/
Those specs mention producing half the competition's amount in optimal conditions, which I assume means 99% humidity. They don't actually say at what humidity level and temperature their product can deliver that much. They don't give any specific numbers at any specific temperature, only the machine's operating conditions and the upper limit on what it can produce.
I assume they just put together an array of two or three of their high-capacity converters for the competition.
where was the machine tested? If it was tested in somewhere more humid then the test data is invalid for use in arid areas where you'd actually need them. Also, that renewable energy is wood chips, so yeah it's renewable but in reality it's just fossil fuels without the "bury for millions of years" step. I'm not sure how that's meant to be an improvement, except perhaps that they can use local trees instead of bringing in other fuels.