Very interesting. I've been following this water-from-air technology for nearly 25 years (undergrad thesis on Fogwater Harvesting in Namibia in 1996).  Both active and passive system suffer from a low yield/cost ratio which makes them unattractive except in very unusual circumstances. But that doesn't mean that it isn't possible, so I will be interested to see how MEGDOOT get on.

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Very interesting. I've been following this water-from-air technology for nearly 25 years (undergrad thesis on Fogwater Harvesting in Namibia in 1996).  Both active and passive system suffer from a low yield/cost ratio which makes them unattractive except in very unusual circumstances. But that doesn't mean that it isn't possible, so I will be interested to see how MEGDOOT get on.