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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78
SOAP-BUBBLES, AND
experiment with a pair of rather longer cylinders,
say about twice as long as they are wide.
They are now ready, one with a bulge and one
with a waist. Directly I open the tap, and let
the air pass from one to the other, the one with
F>g- 33-
a waist blows out the other still more (Fig. 33),
until at last it has shut itself up. It there-
fore behaves exactly in the opposite way that
the short cylinder did. If you try pairs of
cylinders of different lengths you will find that
the change occurs when they are just over one