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
Søgning i bogen
Den bedste måde at søge i bogen er ved at downloade PDF'en og søge i den.
Derved får du fremhævet ordene visuelt direkte på billedet af siden.
Digitaliseret bog
Bogens tekst er maskinlæst, så der kan være en del fejl og mangler.
THE FORCES WHICH MOULD THEM. 53
allow itself to be pulled out of shape, yet it
can move about in the ring quite freely, because
such a movement does not make any difference
to the space outside it.
I have now blown a bubble upon a ring
Fig. 20.
of wire. I shall hang a small ring upon it,
and to show more clearly what is happening,
I shall blow a little smoke into the bubble.
Now that I have broken the film inside the lower
ring, you will see the smoke being driven out
and the ring lifted up, both of which show the