there is a completely passive device capable of deriving water from the air in a desert, without any electrical inputs, in the demo I saw. It is based on molecu

there is a completely passive device capable of deriving water from the air in a desert, without any electrical inputs, in the demo I saw. It is based on molecular-level action in engineered tube materials.. like a honeycomb but with chemical properties at a very small size, repeated in long stretches like cloth.