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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122
SOAP-BUBBLES, AND
to the other side. However, I can see whether
this is the true explanation or not by blow-
ing a bubble on a wide pipe, and holding
it in the vapour for a moment. Now on
removing it you notice that the bubble hangs
like a heavy drop; it has lost the perfect
roundness that it had at first, and this looks as
if the vapour had found its way in, but this
is made certain by bringing a light to the
mouth of the tube, when the vapour, forced