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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2,0 SOAP-BUBBLES, AND
by Van der Mensbrugghe I shall make use of
again in a few minutes.
I can show you in a more striking way that
there is this elastic layer or skin on pure clean
small sieve made of wire
gauze sufficiently coarse to
allow a common pin to be
put through any of the
holes. There are moreover
about eleven thousand of
these holes in the bottom
of the sieve. Now, as you
know, clean wire is wetted
by water, that is, if it is
dipped in water it comes
out wet; on the other hand,
some materials, such as
paraffin wax, of which
paraffin candles are made,
are not wetted or really
touched by water, as you
water. I have a
Fig. 4.
may see for yourselves if you will only dip a
paraffin candle into water. I have melted a
quantity of paraffin in a dish and clipped this
gauze into the melted paraffin so as to coat
the wire all over with it, but I have shaken