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Wait a minnut -- They had parachute silk, couldn't that be used to make a solar water-still? A hole dug with parachute covering, inverted apex formed by weight below-which a container collects dewpoint condensation formed from moisture in-air released as cool night-air comes into contact at barrier between warm-air retained in hole from earth-mass. Sudden cooling causes condensation to form on silk or canvas/plastic covering.
starmanskye 3 months ago