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For specific types of bubbles, and metaphors of the word "bubble", see Bubble, a disambiguation page.
A bubble is a globule of one substance in another, usually gas in a liquid. Due to the Marangoni effect, bubbles may remain intact when they reach the surface of the immersive substance.
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Common examples
Bubbles are seen in many places in everyday life, for example:
- As spontaneous nucleation of supersaturated carbon dioxide in soft drinks
- As water vapor in boiling water
- As air mixed into agitated water, such as below a waterfall
- As sea foam
- As given off in chemical reactions, e.g. baking soda + vinegar
- As a gas trapped in glass during its manufacture
See also
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Wikimedia Commons has media related to: Bubbles |
References
External links
- Bubble physics – touches on vapor pressure, bubble formation, bubble dynamics, cavitation, acoustic oscillations, sound of raindrops underwater, Rayleigh-Plesset equation, snapping shrimp, lithotripsy, ultrasonic cleaning, sonochemistry, sonoluminescence, medical reperfusion imaging, and micro-bubble therapy
- Extra large bubbles
- "Cavitation and bubble dynamics" by Christopher Earls Brennen
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