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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28
SOAP-BUBBLES, AND
the edge where they meet, and as the distance
between the plates gradually increases, so the
height to which the water rises gradually gets
less, and the result is that the surface of the
liquid forms a beautifully regular curve which
Fig. 9.
is called by mathematicians a rectangular
hyperbola (Fig. 9). I shall have presently
to say more about this and some other curves,
and so I shall not do more now than state
that the hyperbola is formed because as the
width between the plates gets greater the