By pouring soap water onto a surface of soap water it is possible to produce thin spherical shells of air in the water (inverted soap bubbles). The largest diameter observed is about 20 mm. Interference colors indicate shell thickness of the order 0.001 mm. Lifetimes of the bubbles of 4–5 minutes have been observed. A connection between the inverted bubbles and drops of water swimming on the surface is pointed out.
Topics
Fluid bubbles
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© 1956 American Association of Physics Teachers.
1956
American Association of Physics Teachers
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