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Soap bubbles: two years old and sixty centimeters in diameter.

Science (New York, N.Y.)

|April 18, 1969

Summary

Researchers created exceptionally long-lasting and large soap bubbles using improved solutions. These enhanced bubble formulations incorporated water-soluble synthetic organic polymers, significantly extending bubble lifespan and size.

Area of Science:

Surface science
Polymer chemistry

Background:

Traditional soap bubble solutions have limited lifespan and size.
Understanding factors affecting bubble stability is crucial for various applications.

Purpose of the Study:

To develop soap bubble solutions capable of producing bubbles with extended longevity and increased dimensions.
To investigate the effect of specific synthetic organic polymers on bubble stability.

Main Methods:

Formulating bubble solutions with water-soluble synthetic organic polymers, including polyvinyl alcohol and polyoxyethylene.
Producing and measuring the lifespan and diameter of soap bubbles generated from these enhanced solutions.
Defining bubble life as the time to contract from original size to a flat film.

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Main Results:

Successfully produced soap bubbles with lifespans exceeding 2 years.
Generated large-volume bubbles, reaching over 100 liters and 60 centimeters in diameter.
Demonstrated that addition of polymers like polyvinyl alcohol and polyoxyethylene significantly enhances bubble durability.

Conclusions:

Water-soluble synthetic organic polymers are effective in dramatically increasing soap bubble lifespan and size.
The developed bubble solutions offer potential for new applications requiring stable, large-scale bubbles.