Bubble Man

Two forces come into play when a soap bubble is formed: superficial tension, corresponding to the electrical attraction of the liquid soap molecules and the air pressure closed in by the soap film. When Tom Noddy has blown smoke into the bubble and he pierces the surface, the air escapes in a swirl. For entertainment purposes, this shape is called “ St Helen’s Volcano ”. (image by Olivier Blaise)
Bubble Man Two forces come into play when a soap bubble is formed: superficial tension, corresponding to the electrical attraction of the liquid soap molecules and the air pressure closed in by the soap film. When Tom Noddy has blown smoke into the bubble and he pierces the surface, the air escapes in a swirl. For entertainment purposes, this shape is called “ St Helen’s Volcano ”.
©Olivier Blaise
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