Soap Bubbles
and the Forces which Mould Them
Forfatter: F. R. S., A. R. S. M., C. V. Boys
År: 1890
Serie: Romance of Science Series
Sted: London
Sider: 178
UDK: 532
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46
SOAP-BUBBLES, AND
the same thing on a dusty clay if you water
the road with a water-pot.
If it were not for the weight of liquids, that
is the force with which they are pulled down
towards the earth, large drops would be as
Fig. 16.
perfectly round as small ones. This was first
beautifully shown by Plateau, the blind experi-
mentalist, who placed one liquid inside another
which is equally heavy, and with which it does
not mix. Alcohol is lighter than oil, while
water is heavier, but a suitable mixture of alcohol