The 110% Solution

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Science  22 Nov 1996:
Vol. 274, Issue 5291, pp. 1325
DOI: 10.1126/science.274.5291.1325


In a Nota Bene item, Voss discusses results recently reported in Physical Review Letters in which lasers were used to initiate crystallization of a supersaturated solution. Earlier such observations were the results of photochemical changes, but the latest findings indicate a purely nonchemical, photophysical alignment and clustering of molecules as the trigger.