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Last weekend I led an effort to prove the existence of a "reverse louche". The results have now been published for your geeky reading pleasure: http://cyphertext.net/gfish/Louche2018.pdf
Spoiler -- it worked! The transmissivity difference between dilution with water and ethanol is clearly visible!
Spoiler -- it worked! The transmissivity difference between dilution with water and ethanol is clearly visible!