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Science 26 January 1979:
Vol. 203. no. 4378, pp. 353 - 354
DOI: 10.1126/science.203.4378.353
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Articles

Millikan "Oil Drop" Stabilized by Growth

LIGHT K. SUN 1, ALAN W. GERTLER 1, and HOWARD REISS 1

1 Department of Chemistry, University of California, Los Angeles 90024

A diffusion cloud chamber has been used to qualitatively study some dynamic properties of liquid drops by suspending them in an electric field at the plane of saturation (p/ps = 1, where p is the actual partial pressure of the vapor at a given elevation and ps is the equilibrium pressure at that temperature characteristic of that elevation). By varying the strength of the electric field, it is possible to change the size of the suspended droplets and even, if desired, to isolate a single drop.

Submitted on August 11, 1978
Revised on December 1, 1978

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Science. ISSN 0036-8075 (print), 1095-9203 (online)