Abstract
IN a note in NATURE of February 1, p. 194, reference is made to a theory of supersaturation, which, it appeared, observations did not support. I would point out that the theory is possibly unsound in any event. Apart from the question whether there could be an equilibrium between liquid water and vapour in the supersaturated state, there is the question whether vapour in the supersaturated state is lighter than air. I suggest that at twofold saturation the effective molecular weight may be nearly 36, owing to overcrowding of the simple molecules which must then aggregate in (presumably) unstable groupings smaller than the smallest liquid drop.
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BARRETT, W. Conditions in Cumulus Cloud. Nature 137, 406 (1936). https://doi.org/10.1038/137406b0
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DOI: https://doi.org/10.1038/137406b0
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