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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IJ2 SOAP-BUBBLES, AND
truth of one of the well-known actions of
electricity. Inside an electrical conductor it is
impossible to feel any influence of electricity
outside, however much there may be, or how-
ever near you go to the surface. Let us,
therefore, take the two bubbles shown in Fig.
56, and bring an electrified stick of sealing-
Fig. 65.
wax near. The outer bubble is a conductor;
there is, therefore, no electrical action inside,
and this you can see because, though the
sealing-wax is so near the bubble that it pulls
it all to one side, and though the inner one
is so close to the outer one that you cannot
see between them, yet the two bubbles remain